/**
 * MATLAB®/Octave like syntax parser/interpreter/compiler.
 */
import type { NodeInput, NodeExpr, NodeFunctionDefinition, NodeBuiltInFunction, AliasNameTable, BuiltInFunctionTable, CommandWordListTable, ExpressionBoundaryValue } from './AST';
import { ClassDefinition } from './ClassDefinition';
import { ClassInstance } from './ClassInstance';
import { ClassStaticMethod } from './ClassStaticMethod';
import { Scope } from './Scope';
import { CallFrame } from './CallFrame';
import type { SourceEntry, SourceProvider, SourceResolver, SourceTable } from './SourceResolver';
import { Context } from './Context';
import { CircularReferenceError, EvalError, InterpreterError, ReferenceError, SyntaxError, UndefinedReferenceError } from './InterpreterError';
import type { CallArgumentValue } from './FunctionCall';
/**
 * Numeric exit status used by the public `exitStatus` property.
 */
type ExitStatus = number;
/** Named exit status table. */
type ExitStatusValues = Record<string, ExitStatus>;
/** Host-provided class source entry. */
type ClassSource = SourceEntry;
/** Host-provided function-file source entry. */
type FunctionSource = SourceEntry;
/** Host-provided script-file source entry. */
type ScriptSource = SourceEntry;
/** Callback used to provide classdef source for a class name. */
type ClassSourceProvider = SourceProvider;
/** Table of host-provided class sources keyed by class name. */
type ClassSourceTable = SourceTable;
/** Callback used to provide function-file source for a function name. */
type FunctionSourceProvider = SourceProvider;
/** Table of host-provided function-file sources keyed by primary function name. */
type FunctionSourceTable = SourceTable;
/** Callback used to provide script-file source for a script name. */
type ScriptSourceProvider = SourceProvider;
/** Table of host-provided script-file sources keyed by script name. */
type ScriptSourceTable = SourceTable;
/**
 * Interpreter construction options.
 *
 * All extension points are explicit so the engine remains browser-compatible:
 * callers can inject aliases, built-ins, command-form functions, and class
 * sources without requiring ambient filesystem or module loading.
 */
type InterpreterConfig = {
    /** Lexer/parser alias table for symbolic names. */
    aliasNameTable?: AliasNameTable;
    /** Additional built-in functions registered at startup. */
    externalFunctionTable?: BuiltInFunctionTable;
    /** Additional command-form functions registered at startup. */
    externalCmdWListTable?: CommandWordListTable;
    /** Unified virtual `.m` source resolver. */
    sourceResolver?: SourceResolver;
    /** Host predicate used by `mustBeFile` argument/property validation. */
    fileExists?: (path: string) => boolean;
    /** Host predicate used by `mustBeFolder` argument/property validation. */
    folderExists?: (path: string) => boolean;
    /** Host-provided function-file source strings. */
    functionSourceTable?: FunctionSourceTable;
    /** Lazy host-provided function-file source callback. */
    functionSourceProvider?: FunctionSourceProvider;
    /** Host-provided script-file source strings. */
    scriptSourceTable?: ScriptSourceTable;
    /** Lazy host-provided script-file source callback. */
    scriptSourceProvider?: ScriptSourceProvider;
    /** Host-provided class source strings. */
    classSourceTable?: ClassSourceTable;
    /** Lazy host-provided class source callback. */
    classSourceProvider?: ClassSourceProvider;
    /**
     * Compatibility alias for early class-loader experiments. Prefer
     * `classSourceTable` for browser/host-provided class sources.
     */
    externalClassSourceTable?: Record<string, string>;
    /**
     * Compatibility alias for early function-loader experiments. Prefer
     * `functionSourceTable` for browser/host-provided function sources.
     */
    externalFunctionSourceTable?: Record<string, string>;
    /**
     * Compatibility alias for early script-loader experiments. Prefer
     * `scriptSourceTable` for browser/host-provided script sources.
     */
    externalScriptSourceTable?: Record<string, string>;
};
/**
 * Increment and decrement operator handler type.
 */
type IncDecOperator = (tree: NodeExpr, scope: Scope) => NodeInput;
/**
 * Full parse/evaluate/unparse bundle returned by `Interprets`.
 */
type InterpretsResult = {
    /** Original input string. */
    input: string;
    /** AST produced from the original input. */
    inputParsed: NodeInput;
    /** Textual unparse of the evaluated input. */
    inputUnparsed: string;
    /** MathML rendering of the evaluated input. */
    inputUnparsedMathML: string;
    /** Evaluated runtime value or AST result. */
    evaluated: NodeInput;
    /** Textual unparse of the evaluated result. */
    evaluatedUnparsed: string;
    /** MathML rendering of the evaluated result. */
    evaluatedUnparsedMathML: string;
};
/**
 * Interpreter instance interface.
 */
interface InterpreterInterface {
    /** Whether debug diagnostics and fallback tracing are enabled. */
    debug: boolean;
    /** Runtime context owned by this interpreter. */
    context: Context;
    /** Last public execution status. */
    exitStatus: ExitStatus;
    /** Operator precedence table used by unparsers. */
    precedenceTable: {
        [key: string]: number;
    };
    /** Parse source text into an AST/runtime node. */
    Parse(input: string): NodeInput;
    /** Reset runtime state while preserving constructor-level configuration defaults. */
    Restart(): void;
    /** Clear variables/functions, or reset the interpreter when no names are supplied. */
    Clear(...names: string[]): void;
    /** Evaluate one AST/runtime node in a scope. */
    Evaluator(tree: NodeInput, scope?: Scope): NodeInput;
    /** Evaluate one parsed AST from the public top-level entry point. */
    Evaluate(tree: NodeInput): NodeInput;
    /** Parse and evaluate source text in one call. */
    Execute(input: string): NodeInput;
    /** Convert a runtime/AST node back to normalized source-like text. */
    Unparse(tree: NodeInput, parentPrecedence?: number): string;
    /** Convert a runtime/AST node to a MathML fragment. */
    UnparserMathML(tree: NodeInput, parentPrecedence: number): string;
    /** Convert a runtime/AST node to a complete MathML string. */
    UnparseMathML(tree: NodeInput, display: 'inline' | 'block' | 'none'): string;
    /** Parse source text and render its AST as MathML. */
    ToMathML(input: string, display: 'inline' | 'block' | 'none'): string;
    /** Return parsed/evaluated/unparsed forms for host diagnostics and demos. */
    Interprets(input: string, display: 'inline' | 'block' | 'none'): InterpretsResult;
}
/**
 * MATLAB/Octave-like parser, evaluator, unparser, and host integration point.
 *
 * `Interpreter` owns the ANTLR parser pipeline, runtime context, built-in
 * tables, command-form functions, class loading contracts, and display
 * unparsers. Most semantic helpers are delegated to smaller modules; this
 * class coordinates them around one active `Context`.
 */
declare class Interpreter implements InterpreterInterface {
    /** MATLAB-compatible maximum identifier length exposed by `namelengthmax`. */
    private static readonly nameLengthMax;
    /** Sorted language keywords as recognized by the lexer. */
    private static readonly keywordNames;
    /** Keyword lookup set used by `iskeyword` and `isvarname`. */
    private static readonly keywordNameSet;
    /** Public MATLAB validator functions backed by the `arguments` validator engine. */
    private static readonly publicArgumentValidators;
    /**
     * After run `Evaluate` method, the `exitStatus` property will contains
     * exit state of evaluation.
     */
    static readonly response: ExitStatusValues;
    /**
     * Private debug flag.
     */
    private _debug;
    /**
     * `debug` getter.
     */
    get debug(): boolean;
    /**
     * `debug` setter.
     */
    set debug(value: boolean);
    /**
     * Interpreter context.
     */
    context: Context;
    /**
     * Command word list table.
     */
    private commandWordListTable;
    private commandWordListNameSet;
    private assignmentSensitiveCommandNameSet;
    /** Operators that introduce or update assignment targets. */
    private static readonly assignmentOperatorNames;
    /**
     * Unified virtual source resolver for browser/host-provided `.m` files.
     */
    private sourceResolver;
    /** Host path predicates used by MATLAB-style file/folder validators. */
    private pathValidationCallbacks;
    /**
     * Refresh lexer-facing command-name sets after command table changes.
     */
    private refreshCommandWordListNames;
    /**
     * Function names currently being loaded, used to avoid recursive loader loops.
     */
    private loadingFunctionNames;
    /**
     * Class names currently being loaded, used to avoid recursive loader loops.
     */
    private loadingClassNames;
    /**
     * Class method names currently being loaded, used to avoid recursive loader loops.
     */
    private loadingClassMethodNames;
    /**
     * Nesting level of host-provided script execution.
     *
     * A script is not a function frame, but MATLAB/Octave still allow `return`
     * to stop the current script. Keeping that state in the interpreter lets
     * interactive/top-level `return` remain invalid while scripts loaded
     * through the browser-safe source APIs can exit early.
     */
    private scriptExecutionDepth;
    /**
     * Virtual source identities for currently executing scripts.
     *
     * Script-local functions are ordinary function definitions registered
     * temporarily in the caller workspace; this stack lets that registration
     * attach the surrounding script's browser-hosted source identity.
     */
    private scriptSourceNameStack;
    /**
     * Interpreter exit status.
     */
    private _exitStatus;
    /**
     * Last uncaught public evaluation error, exposed through `lasterror`.
     */
    private lastError?;
    /**
     * Last warning state exposed through `lastwarn`.
     *
     * Warning emission is still intentionally conservative, but keeping the
     * state here gives the public API a stable MATLAB/Octave-like contract.
     */
    private lastWarning;
    /**
     * Global warning state used by `warning("on"|"off"|"error")`.
     */
    private globalWarningState;
    /**
     * Per-identifier warning emission overrides.
     */
    private warningIdentifierStates;
    /**
     * Interpreter exit status getter.
     */
    get exitStatus(): ExitStatus;
    /**
     * Increment and decrement operator
     * @param pre `true` if prefixed. `false` if postfixed.
     * @param operation Operation (`'plus'` or `'minus'`).
     * @returns Operator function that updates an assignable expression.
     */
    private incDecOpFactory;
    /**
     * Operator table.
     */
    private readonly opTable;
    private static readonly binaryOperatorMethodTable;
    private static readonly unaryOperatorMethodTable;
    /**
     * Precedence definitions.
     */
    private static readonly precedence;
    /**
     * Operator precedence table.
     */
    precedenceTable: {
        [key: string]: number;
    };
    /**
     * Get tree node precedence.
     * @param tree Tree node.
     * @returns Node precedence.
     */
    private nodePrecedence;
    /**
     * User functions.
     */
    private functionArityCallable;
    private functionArgumentArity;
    private functionOutputArity;
    /**
     * Parse or resolve a textual function-handle source.
     */
    private functionHandleFromString;
    /**
     * Resolve a runtime symbol through the interpreter-owned lookup facade.
     *
     * Keeping this indirection inside `Interpreter` prevents parser/evaluator
     * code from depending directly on the exact `Context.resolveSymbol` option
     * shape and gives lookup-sensitive features one place to evolve.
     *
     * @param name Name requested by source text.
     * @param scope Lookup scope.
     * @param options Resolution switches.
     * @returns Structured symbol resolution, if any.
     */
    private resolveRuntimeSymbol;
    /** Resolve a function-like runtime symbol without considering variables or classes. */
    private resolveRuntimeFunction;
    /** Resolve a class runtime symbol without considering variables or functions. */
    private resolveRuntimeClass;
    /**
     * Create a named function handle using the current structured lookup layer.
     *
     * Qualified names and aliases are normalized to their runtime spelling.
     * Simple imported names keep their source spelling and rely on the captured
     * import table, matching MATLAB/Octave display behavior for `@name`.
     * When requested, user-function handles keep a lexical overlay so returned
     * handles remain bound to local/nested functions and in-scope imports.
     *
     * @param name Function name supplied by source text or a character string.
     * @param scope Lookup scope used to resolve imports and local functions.
     * @param parent Optional AST parent for the new handle.
     * @param captureLexical Whether to capture a lexical overlay for user functions.
     * @returns Named function handle.
     */
    private createResolvedFunctionHandle;
    private localFunctionHandles;
    /**
     * Copy and validate one captured workspace value before exposing it through
     * the MATLAB/Octave `functions(handle).workspace` metadata struct.
     */
    private functionHandleWorkspaceValue;
    private functionHandleWorkspaceInfo;
    private staticMethodInfo;
    private dbstackResult;
    /**
     * Return the MATLAB/Octave `mfilename` value for the current function.
     *
     * When a browser-hosted source provides a virtual path, plain `mfilename`
     * reports the file basename without the `.m` suffix while
     * `mfilename("fullpath")` keeps the complete virtual identity.
     */
    private currentMFilename;
    /**
     * Return the MATLAB/Octave `mfilename("fullpath")` identity.
     *
     * For browser-hosted code, "fullpath" means the complete virtual source
     * identity supplied by the host resolver. Unlike plain `mfilename`, this
     * intentionally keeps the configured `.m`-like suffix because source
     * metadata, `functions`, and stack display share that identity.
     */
    private currentMFilenameFullPath;
    /**
     * Return the best virtual source identity for a handle created now.
     */
    private currentHandleSourceName;
    /**
     * Return the class context that should be captured by a handle created now.
     */
    private currentHandleClassName;
    /**
     * Convert a native or interpreter error into the struct shape used by
     * MATLAB/Octave-style `catch ME` and `lasterror`.
     *
     * `InterpreterError.stackFrames` stores the most recent frame first, while
     * `dbstackResult` expects the live call-stack order and reverses it during
     * formatting. The local reversal preserves the captured thrown stack instead
     * of rebuilding it from the current catch/evaluation context.
     *
     * @param error Error object or thrown value.
     * @returns Structure with `message`, `identifier`, and `stack` fields.
     */
    private exceptionToStruct;
    /**
     * Return the current `lasterror` value.
     *
     * MATLAB/Octave keep the last uncaught error until it is replaced or the
     * interpreter state is reset. When no error has escaped yet, the empty
     * structure uses the same fields so callers can index it without special
     * casing the initial state.
     *
     * @returns MATLAB-like last-error structure.
     */
    private lastErrorStruct;
    /**
     * Return the default `lasterror` structure.
     */
    private emptyLastErrorStruct;
    /**
     * Reset `lasterror` to its initial state.
     */
    private resetLastError;
    /**
     * Store an error as the current MATLAB/Octave last-error state.
     *
     * Caught errors must be visible to `lasterr`/`lasterror` while the `catch`
     * block executes, matching Octave's documented try/catch behavior and the
     * legacy MATLAB diagnostic APIs.
     */
    private rememberLastError;
    /**
     * Normalize a user-provided error structure for storage in `lasterror`.
     *
     * MATLAB/Octave accept structures with any subset of the public fields and
     * fill missing fields with defaults. Present `message` and `identifier`
     * fields must still be character values because they are consumed by
     * `rethrow` and catch-state introspection.
     */
    private normalizeLastErrorStruct;
    /**
     * Implement `lasterror`, `lasterror("reset")`, and `lasterror(err)`.
     */
    private lastErrorResult;
    /**
     * Implement `lasterr`, the message/id companion to `lasterror`.
     */
    private lastErrorMessageResult;
    /**
     * Store the warning state returned by `lastwarn`.
     *
     * @param message Warning message.
     * @param identifier Optional warning identifier.
     */
    private setLastWarning;
    /**
     * Reset warning state to the MATLAB/Octave default.
     */
    private resetWarningState;
    /**
     * Return the effective warning state for an identifier.
     */
    private warningState;
    /**
     * Test whether a string is a supported warning state.
     */
    private isWarningState;
    /**
     * Build the structure returned by `warning("query", id)`.
     */
    private warningStateStruct;
    /**
     * Build a MATLAB/Octave warning-state snapshot.
     *
     * The first element always represents the global `all` state. Additional
     * entries record warning identifiers that differ from the global default or
     * that were explicitly modified during this interpreter session, matching
     * the save/restore workflow of `s = warning; warning(s)`.
     */
    private warningStateSnapshot;
    /**
     * Read a MATLAB/Octave warning-state structure.
     */
    private warningStateStructParts;
    /**
     * Restore one warning state entry.
     */
    private restoreWarningState;
    /**
     * Restore warning state from a MATLAB/Octave-style structure scalar or array.
     */
    private restoreWarningStateStruct;
    /**
     * Apply `warning` state/query commands when the argument pattern matches.
     */
    private warningControlResult;
    /**
     * Split diagnostic arguments into optional identifier, format, and values.
     *
     * A leading string containing `:` is treated as a message identifier when a
     * second string is present. Otherwise the first string is the message format.
     */
    private diagnosticMessageParts;
    /**
     * Convert command-form diagnostic words to function-form arguments.
     *
     * `warning id:tag message words` and `error id:tag message words` map to
     * identifier/message calls, while ordinary words map to one message string.
     */
    private diagnosticCommandArguments;
    /**
     * Implement the public `warning` built-in subset.
     *
     * The current browser-first runtime records warning state instead of
     * writing to a console or warning manager. This supports the common message
     * and identifier/message forms, a small diagnostic formatting subset, and
     * the common `on`/`off`/`query` state controls.
     *
     * @param args Evaluated built-in arguments.
     * @returns Void node because warnings do not produce expression output.
     */
    private warningResult;
    /**
     * Implement the public `error` built-in subset.
     *
     * Supported MATLAB/Octave forms are `error(message)`,
     * `error(identifier, message)`, and formatted variants of those forms. The
     * thrown error keeps the current call stack through `Context.throwEvalError`,
     * and the optional identifier is attached for `catch ME` and `lasterror`.
     *
     * @param args Evaluated error arguments.
     */
    private errorResult;
    /**
     * Decide whether an `assert` call is the condition/message form.
     */
    private assertUsesDiagnosticForm;
    /**
     * Extract numeric elements for tolerance-based `assert` comparison.
     */
    private assertNumericElements;
    /**
     * Test numerical equality using Octave-style absolute/relative tolerance.
     */
    private assertValuesEqualWithinTolerance;
    /**
     * Split comparison-form `assert` arguments into comparison and diagnostic
     * parts.
     */
    private assertComparisonParts;
    /**
     * Implement `assert(actual, expected[, tolerance][, message...])`.
     */
    private assertComparisonResult;
    /**
     * Implement the public `assert` built-in subset.
     *
     * MATLAB/Octave treat a false condition as an error and pass the remaining
     * arguments through the same identifier/format pipeline used by `error`.
     */
    private assertResult;
    /**
     * Extract MATLAB text-list arguments accepted by validation functions.
     *
     * The documented APIs accept a character vector, string scalar, string
     * array, or cell array of character vectors. The interpreter stores each as
     * `CharString` elements, so this helper normalizes the public forms without
     * losing order.
     */
    private validationTextList;
    /**
     * Extract one text item from a mixed MATLAB validation cell array.
     */
    private validationTextItem;
    /**
     * Return raw validation-list items, preserving non-text parameters.
     */
    private validationListItems;
    /**
     * Implement MATLAB's unique-prefix, case-insensitive `validatestring`.
     */
    private validatestringResult;
    /**
     * Build the optional function/variable context used by `validatestring`.
     */
    private validatestringDiagnosticPrefix;
    /**
     * Map public `validateattributes` attribute names to shared validator keys.
     */
    private validateattributesValidator;
    /**
     * Return dimensions as `validateattributes` should see them.
     *
     * The runtime stores both character vectors and string scalars in
     * `CharString`; MATLAB treats string scalars as `1x1`, while character
     * vectors remain `1xN`.
     */
    private validateattributesDimensions;
    /**
     * Return real numeric elements for attributes that inspect values directly.
     */
    private validateattributesRealNumericElements;
    /**
     * Extract a real numeric scalar used as a `validateattributes` parameter.
     */
    private validateattributesNumericScalar;
    /**
     * Extract a real numeric vector used by `validateattributes('size', ...)`.
     */
    private validateattributesNumericVector;
    /**
     * Test all numeric elements of a value against a scalar comparison.
     */
    private validateattributesNumericComparison;
    /**
     * Test MATLAB/Octave monotonic attributes independently for each stored
     * column.  `MultiArray` stacks pages in the physical row axis, so each
     * page-stride row group represents the rows of one logical page.
     */
    private validateattributesMonotonicColumns;
    /**
     * Test non-parameterized `validateattributes` attributes not covered by the
     * shared validator table.
     */
    private validateattributesSpecialAttribute;
    /**
     * Test one shared `validateattributes` validator with public string-scalar
     * shape semantics.
     */
    private validateattributesMatchesValidator;
    /**
     * Apply one parameterized `validateattributes` attribute.
     */
    private validateattributesParameterizedAttribute;
    /**
     * Build the subject text used by `validateattributes` diagnostics.
     */
    private validateattributesSubject;
    /**
     * Test a `validateattributes` class constraint against runtime values.
     */
    private validateattributesMatchesClass;
    /**
     * Implement the common MATLAB/Octave `validateattributes` forms.
     *
     * The browser runtime has no sparse storage type; sparse-compatible APIs are
     * kept explicit through the shared validator, where `sparse` always fails
     * and `nonsparse` always succeeds.
     */
    private validateattributesResult;
    /**
     * Return supported public `mustBe*` call arity limits.
     */
    private mustBeArity;
    /**
     * Implement public MATLAB `mustBe*` validator functions.
     */
    private mustBeResult;
    /**
     * Build registry entries for public `mustBe*` validators.
     */
    private mustBeFunctionEntries;
    /**
     * Normalize command-form results returned by host-provided integrations.
     *
     * External command handlers often return plain JavaScript primitives. The
     * interpreter boundary converts those values into ordinary runtime nodes so
     * command-form parsing can be used safely by browser-hosted commands such
     * as `help`.
     */
    private commandWordListResult;
    /**
     * Implement `rethrow(ME)` for MATLAB/Octave-style caught error structs.
     *
     * The current runtime represents `catch ME` as a structure with `message`,
     * `identifier`, and `stack` fields. `rethrow` validates that shape and
     * raises a new evaluation error while preserving the public message and
     * identifier fields used by subsequent `catch` blocks and `lasterror`.
     *
     * @param errorStruct Error structure captured by a `catch` identifier.
     */
    private rethrowResult;
    /**
     * Implement `lastwarn` getter/setter behavior.
     *
     * With no arguments it returns the current message and identifier. With one
     * or two string arguments it updates the stored warning state before
     * returning it, matching the MATLAB/Octave convention used by tests and
     * user code.
     *
     * @param args Optional message and identifier setter arguments.
     * @returns Comma-separated return list `[message, identifier]`.
     */
    private lastWarningResult;
    /**
     * Implement MATLAB/Octave `deal` output distribution.
     *
     * With one input, every requested output receives that value. With multiple
     * inputs, a scalar-output call returns the first value; multiple-output
     * calls must match the input count and distribute values positionally.
     */
    private dealResult;
    /**
     * Read one positive integer index for output-selection helpers.
     */
    private positiveIntegerIndex;
    /**
     * Read scalar or vector output indexes for `nthargout`.
     */
    private nthargoutIndexes;
    /**
     * Resolve the callable argument accepted by `nthargout`.
     */
    private nthargoutCallable;
    /**
     * Implement Octave-compatible `nthargout`.
     */
    private nthargoutResult;
    /**
     * Validate one evaluated value before exposing it as an ordinary expression.
     */
    private expressionValue;
    /**
     * Validate an evaluated value that must be stored in runtime data
     * containers such as structures.
     */
    private runtimeExpressionValue;
    /**
     * Evaluate an expression, reduce return-list carriers, and validate the
     * resulting value before it crosses an interpreter expression boundary.
     */
    private evaluatedExpressionValue;
    /**
     * Evaluate one executable AST node and normalize lazy return-list carriers.
     *
     * This is intentionally broader than `evaluatedExpressionValue`: block and
     * top-level execution may legitimately produce `LIST`, `VOID`, or control
     * carrier nodes that are not ordinary expression values.
     */
    private evaluatedExecutionResult;
    /**
     * Read a scope entry and validate it before reusing it as an expression.
     */
    private scopedExpressionValue;
    /**
     * Read a scope entry that must contain a native array value.
     */
    private scopedMultiArrayValue;
    /**
     * Validate evaluated variadic call arguments before forwarding them.
     *
     * @param values Runtime arguments after ordinary evaluator reduction.
     * @param prefix Diagnostic prefix used to identify the failing argument.
     * @returns Arguments narrowed to expression values.
     */
    private callArgumentValues;
    /**
     * Validate a built-in control argument that must be a character string.
     *
     * @param value Candidate argument.
     * @param name Diagnostic role name.
     * @returns Validated character string.
     */
    private charControlArgument;
    /**
     * Validate a list whose elements must all be character strings.
     *
     * MATLAB Set/Get APIs accept property-name cell arrays. This helper keeps
     * the cell-content validation explicit after `MultiArray.linearize`.
     *
     * @param values Candidate cell contents.
     * @param name Diagnostic role name.
     * @returns The same values narrowed to character strings.
     */
    private charStringList;
    /**
     * Validate a built-in control argument that must be a function handle.
     *
     * @param value Candidate argument.
     * @param name Diagnostic role name.
     * @returns Validated function handle.
     */
    private functionHandleControlArgument;
    /**
     * Validate an optional boolean-like control argument.
     *
     * @param value Candidate argument.
     * @param name Diagnostic role name.
     * @returns JavaScript boolean following MATLAB/Octave truthiness.
     */
    private booleanControlArgument;
    /**
     * Validate worker-count expressions accepted by sequential parallel fallbacks.
     *
     * MATLAB requires `parfor(..., M)` to use a nonnegative integer worker
     * limit. `spmd(n)` and `spmd(m,n)` use the same numeric count shape, with
     * zero selecting local execution in environments without workers.
     *
     * @param value Evaluated worker-count expression.
     * @param name Diagnostic role name.
     * @returns Validated worker count.
     */
    private workerCountControlArgument;
    /**
     * Validate runtime values before forwarding them to user-defined class methods.
     */
    private classMethodArgumentValues;
    /**
     * Invoke one class instance method and reduce lazy return-list carriers at
     * the class-dispatch boundary.
     */
    private reducedClassMethodResult;
    /**
     * Invoke one class method with an explicit output count and reduce the
     * scalar result expected by helper protocols such as `numArgumentsFromSubscript`.
     */
    private reducedClassMethodResultWithOutputCount;
    /**
     * Validate the object returned by class `subsasgn` overloads.
     */
    private classSubsasgnResult;
    /**
     * Normalize a value produced by assignment RHS evaluation before storing it
     * into a name, field, or object property.
     */
    private reducedAssignmentValue;
    /**
     * Normalize and validate an assignment RHS before storing it in a runtime
     * structure field.
     */
    private structureAssignmentValue;
    /**
     * Store a field-assignment value, scattering compound structure-array
     * results when the operation produced one value per target element.
     */
    private assignStructureFieldValue;
    /**
     * Reduce values produced by scalar indexing/dispatch paths before checking
     * their runtime shape or class.
     */
    private reducedIndexingResult;
    /**
     * Validate and linearize values before assigning them to object arrays.
     */
    private assignmentValues;
    /**
     * Prepare a value for distribution across selected object-property paths.
     *
     * A tail descriptor means the assignment targets an indexed value inside
     * each selected property. In that position `[]` is a scalar deletion value
     * to apply per target, not a zero-length list to distribute.
     */
    private classPropertyPathAssignmentValues;
    /**
     * Validate a sequence before storing it in an AST expression list.
     */
    private expressionList;
    /**
     * Validate and linearize an expression value without crossing the generic
     * `MathObject` operation surface.
     */
    private linearExpressionValues;
    /**
     * Validate and copy one expression value through the runtime copy protocol.
     */
    private copyExpressionValue;
    /**
     * Expand a `for` loop expression into the sequence assigned to the target.
     *
     * MATLAB/Octave `for` assignment iterates over columns. Numeric row vectors
     * and scalars produce scalar loop values, while matrices and cell arrays
     * produce one column value per iteration. Cell columns remain cell arrays;
     * their contents are not unwrapped by the loop assignment.
     *
     * @param value Evaluated loop expression.
     * @param target Loop assignment target.
     * @returns Values assigned on each loop iteration.
     */
    private forLoopValues;
    /**
     * Build the value assigned by one `for` iteration.
     *
     * Scalar targets receive a copied expression value. Row-vector targets use
     * a lazy return list so multi-target loop assignments can request each
     * element independently, matching the same comma-separated-list machinery
     * used elsewhere in the interpreter.
     *
     * @param target Loop assignment target.
     * @param value Iteration value to assign.
     * @returns Scalar assignment value or lazy return-list carrier.
     */
    private forLoopAssignmentValue;
    /**
     * Validate the subset of MATLAB `parfor` semantics that remains meaningful
     * for the browser's sequential fallback execution.
     *
     * Unlike ordinary `for`, MATLAB `parfor` uses a simple loop variable and a
     * consecutive integer iteration vector. The runtime still executes
     * sequentially, but it rejects shapes that would not be valid parallel loop
     * headers.
     *
     * @param target Loop assignment target from the parser.
     * @param value Evaluated loop expression.
     */
    private validateParforHeader;
    /**
     * Validate `parfor` body restrictions that can be checked from the AST.
     *
     * The sequential browser fallback keeps execution deterministic, but the
     * accepted source must still respect MATLAB `parfor` structural rules so
     * code does not become valid here and invalid in MATLAB/Octave-compatible
     * environments.
     *
     * @param body Loop body to inspect.
     * @param loopVariable Simple loop variable name.
     */
    private validateParforBody;
    /**
     * Validate `spmd` body restrictions that remain relevant for the browser's
     * single-worker fallback.
     *
     * MATLAB rejects several control-flow and parallel constructs inside
     * `spmd` blocks because workers execute separately from the client
     * workspace. MathJSLab executes the block sequentially, but preserving the
     * structural restrictions prevents non-portable code from being accepted.
     *
     * @param body SPMD body to inspect before execution.
     */
    private validateSpmdBody;
    /**
     * Clone an assignment target while preserving only expression-compatible shapes.
     *
     * Assignment lowering can duplicate identifiers, indexing chains, indirect
     * references, and runtime values before the actual write occurs. Every
     * cloned branch is routed back through the expression boundary so malformed
     * statement/control-flow nodes cannot enter the assignment pipeline.
     *
     * @param target Assignment target or runtime value to clone.
     * @returns Copied target constrained to expression position.
     */
    private cloneAssignmentTarget;
    /**
     * Validate values before exposing them through an interpreter-owned comma
     * separated return list.
     */
    private returnListValue;
    /**
     * Create a lazy comma-separated return list from already evaluated values.
     *
     * Values are validated only when selected so the return list can honor the
     * caller-requested output count while still rejecting non-expression values
     * before they cross an expression boundary.
     *
     * @param values Candidate output values.
     * @returns Lazy comma-separated return list.
     */
    private valueReturnList;
    /**
     * Convert comma-separated values into a row vector for scalar operations.
     *
     * Native brace and structure-field descriptor chains may return a lazy
     * comma-separated list. Compound assignments need an expression value that
     * can participate in `+`, `-`, etc., so the selected list is materialized in
     * the same row-vector shape used by explicit concatenation contexts.
     */
    private compoundAssignmentOperand;
    /**
     * Read the assigned value from an internal assignment-result list.
     */
    private nestedAssignmentValue;
    /**
     * Parse and evaluate source text in a specific scope.
     *
     * This is shared by `eval`/`evalin` and deliberately creates a transient
     * call-stack frame so introspection and argument helpers observe the scope
     * in which the string is evaluated.
     *
     * @param source Source code to parse.
     * @param scope Scope used for evaluation.
     * @returns Evaluated result tree or runtime value.
     */
    private evalStringInScope;
    /**
     * Temporarily reject dynamic variable creation in static function workspaces.
     *
     * MATLAB static workspaces allow `eval`/script code to update variables that
     * appear in function text, but reject brand-new variable names. Normal parsed
     * statement execution does not enable this guard.
     *
     * @param scope Workspace that will run dynamic code.
     * @returns Restorer for the previous guard state.
     */
    private pushDynamicNameCreationGuard;
    /**
     * Determine whether an error can be handled by an `eval` catch string.
     *
     * MATLAB/Octave control-flow signals must propagate through `eval`; only
     * ordinary runtime errors are catchable by the optional catch source.
     *
     * @param error Error or control-flow signal thrown by evaluation.
     * @returns `true` when the catch string may handle the error.
     */
    private isEvalCatchableError;
    /**
     * Evaluate source like `eval` while returning captured display text first.
     *
     * MATLAB `evalc` returns command-window output in the first result and the
     * evaluated expression outputs in subsequent result slots. The engine has
     * no separate command-window stream, so capture uses the same textual
     * representation that top-level evaluation would expose through `Unparse`.
     *
     * @param source Source code to parse and evaluate.
     * @param catchSource Optional catch source evaluated after ordinary errors.
     * @returns Captured output string, optionally followed by evaluated outputs.
     */
    private evalcResult;
    /**
     * Extract top-level class definitions from a parsed source tree.
     *
     * Host-provided class sources are parsed as ordinary snippets; this helper
     * isolates classdef nodes without executing unrelated statements.
     *
     * @param tree Parsed source tree.
     * @returns Top-level class definitions in source order.
     */
    private topLevelClassDefinitions;
    /**
     * Extract top-level function definitions from a parsed source tree.
     *
     * This is used by function-file loading and script-local function
     * pre-registration, keeping MATLAB/Octave function discovery separate from
     * statement execution.
     *
     * @param tree Parsed source tree.
     * @returns Top-level function definitions in source order.
     */
    private topLevelFunctionDefinitions;
    /**
     * Parse a host-provided function-file source.
     *
     * The selected primary function is renamed to the requested canonical name
     * so package/import aliases can load source supplied under a fully
     * qualified runtime name while preserving MATLAB/Octave function-file
     * lookup behavior.
     *
     * @param name Canonical function name requested by lookup.
     * @param source Source text containing one primary function and optional subfunctions.
     * @returns Primary function plus private subfunctions.
     */
    private parseFunctionSource;
    /**
     * Resolve function-file source through the configured host tables/providers.
     *
     * @param name Canonical function name requested by lookup.
     * @returns Normalized source entry, if the host can supply one.
     */
    private resolveFunctionSource;
    /**
     * Test whether a semantically valid host-provided function source exists.
     *
     * The probe parses and validates the source without registering it, so
     * introspection such as `exist` and `which` cannot mutate the runtime.
     *
     * @param name Function name requested by lookup.
     * @returns `true` when a loadable function source is available.
     */
    private hasFunctionSource;
    /**
     * Resolve and validate a function source without registering it.
     *
     * This mirrors the static checks performed by lazy function loading:
     * primary-function matching, declaration placement, signature validation,
     * `arguments` blocks, and duplicate subfunction names.
     *
     * @param name Function name requested by lookup.
     * @returns Normalized source entry, or `undefined` when unavailable/invalid.
     */
    private validFunctionSource;
    /**
     * Validate a parsed function file before it is reported or registered.
     *
     * Host probes and lazy loading both use this single gate so externally
     * supplied primary functions, subfunctions, and class method files obey the
     * same signature and `arguments`-block rules.
     *
     * @param primary Primary function selected from the file.
     * @param subfunctions Private top-level subfunctions from the same source.
     * @param duplicateContext Source label used in duplicate-function diagnostics.
     */
    private validateFunctionFileDefinitions;
    /**
     * Register a parsed function-file definition in a target scope.
     *
     * The primary function is visible from the caller scope. Subfunctions are
     * stored in the primary function's file scope so they remain private to the
     * loaded function file, which matches MATLAB/Octave file scoping.
     *
     * @param primary Primary function definition.
     * @param subfunctions Private top-level subfunctions from the same source.
     * @param scope Scope receiving the primary function.
     * @returns Registered primary function definition.
     */
    private registerFunctionFileDefinition;
    /**
     * Load a MATLAB/Octave-like function file from host-provided source text.
     *
     * The primary function is exported to the target scope. Additional
     * top-level function definitions become private subfunctions visible only
     * through the primary function's file scope.
     *
     * @param name Canonical primary function name.
     * @param source Source text containing the function file.
     * @param scope Scope that receives the primary function.
     * @returns Registered primary function definition.
     */
    LoadFunctionFile(name: string, source: string, scope?: Scope, sourceName?: string): NodeFunctionDefinition;
    /**
     * Resolve and register a function definition through host-provided sources.
     *
     * @param name Function name requested by lookup.
     * @param scope Scope that should receive the loaded primary function.
     * @returns Registered function definition, or `undefined` when unavailable.
     */
    loadFunctionDefinition(name: string, scope: Scope): NodeFunctionDefinition | undefined;
    /**
     * Resolve script source through the configured host tables/providers.
     *
     * @param name Script name requested by lookup.
     * @returns Normalized source entry, if the host can supply one.
     */
    private resolveScriptSource;
    /**
     * Test whether a semantically valid host-provided script source exists.
     *
     * The script is parsed and checked for declaration-placement violations,
     * but it is not executed and script-local functions are not registered.
     *
     * @param name Script name requested by lookup.
     * @returns `true` when a runnable script source is available.
     */
    private hasScriptSource;
    /**
     * Resolve and validate a script source without executing it.
     *
     * @param name Script name requested by lookup.
     * @returns Normalized source entry, or `undefined` when unavailable/invalid.
     */
    private validScriptSource;
    /**
     * Execute a parsed script while temporarily exposing script-local functions.
     *
     * @param tree Parsed script source tree.
     * @param scope Workspace where script statements execute.
     * @returns Evaluated script result.
     */
    private executeScriptTree;
    /**
     * Execute MATLAB/Octave-like script source in a workspace.
     *
     * Script-local functions are visible while the script executes and hidden
     * afterward. Function handles created by the script keep captured closures,
     * so they remain callable even after the temporary function table is
     * restored.
     *
     * @param name Script name used for diagnostics.
     * @param source Source text containing the script.
     * @param scope Workspace where script statements execute.
     * @param sourceName Optional virtual source identity for script-local functions.
     * @returns Evaluated script result.
     */
    LoadScriptFile(name: string, source: string, scope?: Scope, sourceName?: string): NodeInput;
    /**
     * Resolve and execute a host-provided script file by name.
     *
     * @param name Script name or `.m` filename.
     * @param scope Workspace where script statements execute.
     * @returns Evaluated script result.
     */
    RunScriptFile(name: string, scope?: Scope): NodeInput;
    /**
     * Parse a host-provided class source and select the requested classdef.
     *
     * @param name Canonical class name requested by lookup.
     * @param source Source text containing the classdef.
     * @returns Classdef AST node with canonical runtime name.
     */
    private parseClassSource;
    /**
     * Parse a class source if it contains the requested classdef.
     *
     * @param name Canonical class name requested by lookup.
     * @param source Source text containing a possible classdef.
     * @returns Matching classdef AST node, or `undefined` when the source is not a classdef file.
     */
    private tryParseClassSource;
    /**
     * Test whether source text looks like a function/method file rather than a classdef file.
     *
     * Class lookup probes can reach sibling `@Class/method.m` files while
     * resolving qualified member chains. Function-only sources should decline
     * class loading quietly so the shorter class prefix can be selected.
     *
     * @param source Source text to inspect.
     * @returns `true` when the source contains top-level functions and no classdef.
     */
    private isFunctionOnlySource;
    /**
     * Parse a host-provided class method source selected by a classdef prototype.
     *
     * MATLAB/Octave allow classdef files to declare method signatures while
     * concrete bodies live in sibling `@Class/method.m` files. The primary
     * function is stored under the prototype method name so class metadata and
     * stack traces keep the source-level method spelling.
     *
     * @param className Canonical class name that owns the prototype.
     * @param methodName Method name declared in the classdef prototype.
     * @param sourceName Canonical source entry name resolved by the host.
     * @param source Source text containing one method function and optional private subfunctions.
     * @returns Primary method plus private subfunctions.
     */
    private parseClassMethodSource;
    /**
     * Resolve class source through the configured host tables/providers.
     *
     * @param name Canonical class name requested by lookup.
     * @returns Normalized source entry, if the host can supply one.
     */
    private resolveClassSource;
    /**
     * Test whether a host class source is available without parsing/registering it.
     *
     * Lookup helpers such as `exist` and `which` should report browser-provided
     * class sources without mutating the runtime class registry, otherwise a
     * metadata query can change later function/class precedence.
     *
     * @param name Canonical class name requested by lookup.
     * @returns `true` when the configured resolver can provide class source.
     */
    private hasClassSource;
    /**
     * Resolve and validate a class source without registering it.
     *
     * The check is intentionally local: it rejects malformed classdef metadata
     * while avoiding superclass resolution, dependency loading, and mutations
     * to the class registry.
     *
     * @param name Class name requested by lookup.
     * @returns Normalized source entry, or `undefined` when unavailable/invalid.
     */
    private validClassSource;
    /**
     * Attach a virtual source identity to methods declared inside a loaded classdef.
     *
     * External `@Class/method.m` files receive their own identity when they are
     * materialized. Inline methods in a host-provided classdef share the class
     * file identity, matching MATLAB/Octave source-level introspection.
     */
    private attachClassDefinitionSourceName;
    /**
     * Resolve and register a class definition through host-provided sources.
     *
     * @param name Class name requested by lookup.
     * @param scope Scope used to resolve superclass dependencies.
     * @returns Loaded class definition, or `undefined` when unavailable.
     */
    loadClassDefinition(name: string, scope: Scope): ClassDefinition | undefined;
    /**
     * Resolve a concrete method body for a classdef prototype.
     *
     * The lookup key is `ClassName.methodName`, which maps naturally to
     * browser-hosted paths such as `+pkg/@Class/method.m` through the shared
     * class-source resolver.
     *
     * @param className Canonical class name.
     * @param methodName Method prototype name.
     * @param scope Scope used as parent for the method-file private scope.
     * @returns Loaded method body, or `undefined` when no external method file exists.
     */
    loadClassMethodDefinition(className: string, methodName: string, scope: Scope): NodeFunctionDefinition | undefined;
    /**
     * Convert a dotted identifier chain into name parts when it is purely symbolic.
     *
     * @param tree Dotted reference node.
     * @returns Qualified name parts, or `undefined` for dynamic field access.
     */
    private qualifiedReferenceParts;
    /**
     * Resolve static class members, constants, and enumeration members.
     *
     * @param definition Class definition that matched the qualified prefix.
     * @param fields Remaining field chain after the class name.
     * @param scope Evaluation scope for constant defaults and enumeration arguments.
     * @returns Runtime value selected by the member chain.
     */
    private resolveClassDefinitionMemberChain;
    /**
     * Resolve a symbolic dotted chain as a package/class-qualified access.
     *
     * The resolver classifies the qualified prefix without evaluating ordinary
     * dot indexing. Local variables intentionally block package/class
     * interpretation of the same first component, preserving MATLAB/Octave
     * precedence for expressions such as `pkg.field` when `pkg` is a variable.
     *
     * @param tree Dotted reference node.
     * @param scope Lookup scope.
     * @returns Structured qualified access result, if the chain is symbolic.
     */
    private resolveQualifiedAccess;
    /**
     * Resolve package/class-qualified names before ordinary dot indexing.
     *
     * MATLAB/Octave allow expressions such as `pkg.Class.staticMethod`,
     * `Class.Constant`, and fully qualified function handles. This helper
     * recognizes those symbolic chains while leaving normal struct/object field
     * indexing to the evaluator.
     *
     * @param tree Dotted reference node.
     * @param scope Lookup scope.
     * @returns Resolved runtime value, or `undefined` when the reference is ordinary dot indexing.
     */
    private resolveQualifiedNameAccess;
    private hasConcreteName;
    /**
     * Resolve a simple imported name as a static class method.
     *
     * This supports MATLAB-style declarations such as
     * `import pkg.Class.method`, allowing `method(args)` to dispatch through
     * the same `ClassStaticMethod` path used by `pkg.Class.method(args)`.
     *
     * @param name Simple method name being called.
     * @param scope Scope whose import table should be searched.
     * @returns Static method wrapper, or `undefined` when no import resolves.
     */
    resolveImportedStaticMethod(name: string, scope: Scope): ClassStaticMethod | undefined;
    /**
     * Resolve a static method by fully qualified name or by visible imports.
     *
     * Direct dotted calls such as `pkg.Class.method()` already resolve through
     * `resolveQualifiedNameAccess`. Named handles and textual calls (`@...`,
     * `str2func`, `feval`, `nargin`, `nargout`) need the same dispatch decision
     * without first building a dotted AST node.
     *
     * @param name Method name written in source text.
     * @param scope Scope used for class lookup and simple-name imports.
     * @returns Bound static method, or `undefined` when the name is not a static method.
     */
    resolveStaticMethod(name: string, scope: Scope): ClassStaticMethod | undefined;
    private importedStaticMethodCandidate;
    /**
     * Detect whether an indexing expression contains a resolvable qualified name.
     *
     * @param tree Expression subtree to inspect.
     * @param scope Lookup scope.
     * @returns `true` when a dotted operand resolves as a package/class-qualified symbol.
     */
    private hasQualifiedNameAccessOperand;
    /**
     * Resolve a `?ClassName` metaclass literal, including meta-object fields.
     *
     * @param className Class or meta-object field chain from the literal.
     * @param scope Lookup scope.
     * @returns Meta-class object or selected meta-object field.
     */
    private resolveMetaclassLiteral;
    /**
     * Create a runtime `meta.class` object with lazy property default
     * evaluation.
     *
     * Parsed class metadata keeps default expressions as AST. Runtime meta
     * access should expose evaluated default values, so the provider evaluates
     * the default only when `meta.property.DefaultValue` or validation metadata
     * asks for it.
     *
     * @param definition Class metadata to wrap.
     * @param scope Scope used to evaluate property default expressions.
     * @returns Runtime meta-class object.
     */
    private createClassMetaClass;
    /**
     * Create a runtime `meta.property` object with the same lazy default
     * evaluation used by `meta.class.PropertyList`.
     *
     * @param property Property metadata to wrap.
     * @param scope Scope used to evaluate property default expressions.
     * @returns Runtime meta-property object.
     */
    private createClassMetaProperty;
    /**
     * Return the MATLAB diagnostic for one argument-count mismatch.
     */
    private functionCountMessage;
    /**
     * Classify an argument-count check without deciding how to report it.
     */
    private functionCountStatus;
    /**
     * Implement `narginchk` and the throwing two-argument form of `nargoutchk`.
     */
    private checkFunctionCount;
    /**
     * Build the message-return forms shared by `nargchk` and `nargoutchk`.
     */
    private functionCountMessageResult;
    /**
     * Implement all supported `nargoutchk` forms.
     */
    private nargoutchkResult;
    /**
     * Implement legacy MATLAB/Octave `nargchk`.
     */
    private nargchkResult;
    private lookupImportedSourceResolution;
    private lookupClassSourceResolution;
    private lookupFunctionSourceResolution;
    private lookupScriptSourceResolution;
    /**
     * Resolve browser-hosted virtual source directories for `exist`/`which`.
     */
    private lookupDirectorySourceResolution;
    private resolveLookupSymbol;
    private existCode;
    private whichResult;
    private isClassName;
    private valueIsRuntimeClass;
    private valueMatchesValidationClass;
    private classIntrospectionArgument;
    private metaclassArgument;
    private eventData;
    private propertyEventData;
    private isEventDataObject;
    private prepareEventDataObject;
    private propertyEventKey;
    private validateClassEventAccess;
    private validatePropertyEventAccess;
    private propertyListenerName;
    private propertyListenerNameList;
    private addClassPropertyListenerArray;
    private addClassListenerForSource;
    private addClassListener;
    private createClassEventListenerForSource;
    private createClassEventListener;
    private createClassPropertyListener;
    private notifyClassEventForSource;
    private notifyClassEvent;
    private dispatchClassEvent;
    private dispatchClassPropertyEvent;
    private resolveClassEventDataField;
    private setClassEventDataField;
    private resolveClassEventListenerField;
    private removeClassEventListenerRegistration;
    private addClassEventListenerRegistration;
    private setClassEventListenerEventName;
    private setClassEventListenerSource;
    private setClassEventListenerField;
    /**
     * Resolve a property name passed to MATLAB's Set/Get mixin methods.
     *
     * Exact-name classes require an exact property name. Other SetGet classes
     * accept full case-insensitive names before considering partial matches,
     * where the lowest `PartialMatchPriority` value wins ambiguous prefixes.
     */
    private resolveSetGetProperty;
    private isSetGetSettableProperty;
    private assertSetGetSettableProperty;
    private setGetObject;
    private setGetArrayRepresentative;
    /**
     * Build the scalar structure returned by `get(obj)` for one Set/Get object.
     *
     * Only visible public readable properties are exposed, matching the subset
     * of MATLAB's `matlab.mixin.SetGet` behavior implemented by the runtime.
     *
     * @param instance Set/Get-compatible object instance.
     * @returns Structure whose fields are public property values.
     */
    private setGetStructure;
    /**
     * Build the column structure array returned by `get(objArray)`.
     *
     * @param array Object array containing Set/Get-compatible instances.
     * @returns Column vector with one property structure per object.
     */
    private setGetStructureArray;
    /**
     * Normalize a property-name argument accepted by `get` and `set`.
     *
     * @param value Character name or cell array of character names.
     * @param functionName Built-in name used for diagnostics.
     * @returns Property names in linear cell order.
     */
    private setGetPropertyNames;
    /**
     * Evaluate `get(objArray, propertyNamesCell)`.
     *
     * MATLAB returns a cell array whose rows correspond to objects and columns
     * correspond to requested properties.
     *
     * @param target Scalar object or object array.
     * @param properties Resolved readable property definitions.
     * @returns Cell array of property values.
     */
    private getSetGetPropertyCell;
    /**
     * Apply `set(objArray, propertyNamesCell, propertyValuesCell)`.
     *
     * The value cell array must have one row per object and one column per
     * property name, matching MATLAB's Set/Get table assignment form.
     *
     * @param target Scalar object or object array to mutate.
     * @param propertyNames Row cell array of property names.
     * @param propertyValues Cell array of assigned values.
     */
    private setSetGetPropertyCell;
    /**
     * Assign one Set/Get property on a scalar object or every object in an array.
     *
     * @param target Scalar object or object array.
     * @param name Property name.
     * @param value Value to assign.
     */
    private assignSetGetProperty;
    /**
     * Build the structure returned by `set(obj)` listing assignable properties.
     *
     * @param instance Set/Get-compatible object instance.
     * @returns Structure with one empty cell field per settable property.
     */
    private setGetSettableStructure;
    /**
     * Implement the public `get` built-in for Set/Get-compatible objects.
     *
     * @param args Evaluated built-in arguments.
     * @returns Property structure, scalar property value, or cell value table.
     */
    private getSetGetProperty;
    /**
     * Implement the public `set` built-in for Set/Get-compatible objects.
     *
     * The supported forms cover query mode (`set(obj)`), property query mode
     * (`set(obj, name)`), scalar name/value assignment, structure assignment,
     * and the MATLAB table form with property-name and property-value cells.
     *
     * @param args Evaluated built-in arguments.
     * @returns Void for assignment forms, or a structure/cell query result.
     */
    private setSetGetProperties;
    private readonly functions;
    /**
     * Special functions MathML unparser.
     */
    private readonly unparseMathMLFunctions;
    /**
     * Load or reload the interpreter runtime state.
     *
     * When `config` is supplied, host-provided aliases, functions, command-word
     * entries, and source providers are installed. A reload without `config`
     * resets those extension tables to the default browser-safe state.
     *
     * @param config Optional host integration/configuration.
     */
    private loadInterpreter;
    /**
     * Create an interpreter.
     *
     * Use `Interpreter.Create` for public construction. The private constructor
     * wires operator aliases, precedence aliases, context ownership, and host
     * extension tables in one place.
     *
     * @param config Optional host integration/configuration.
     * @param context Optional pre-built runtime context.
     */
    private constructor();
    /**
     * Creates an instance of the `Interpreter` object.
     * @param config Optional interpreter configuration.
     * @param context Optional pre-built interpreter context.
     * @returns New interpreter instance.
     */
    static readonly Create: (config?: InterpreterConfig, context?: Context) => Interpreter;
    /**
     * Parse MATLAB/Octave-like source text into the normalized AST.
     *
     * The lexer receives the current command-word list so command syntax can be
     * recognized without hard-coding host-provided command names in the grammar.
     *
     * @param input Source text to parse.
     * @returns Root AST node.
     */
    Parse(input: string): NodeInput;
    /**
     * Native name table factory.
     * @returns Native name table with actual `Complex` facade.
     */
    private static readonly nativeNameTableFactory;
    /**
     * Reset the interpreter to a fresh default runtime context.
     *
     * This clears workspaces, loaded functions/classes, host extension tables,
     * and diagnostic state such as `lasterror` and `lastwarn`.
     */
    Restart(): void;
    /**
     * Clear workspace variables, imports, classes, or user-defined functions.
     *
     * With no names, this clears ordinary variables in the current workspace.
     * The special name `all` clears variables, globals, imports, classes, and
     * user functions while preserving host source providers. `functions`,
     * `classes`, `global`, `import`, and `variables` map to narrower
     * MATLAB/Octave-like workspace categories.
     *
     * @param names Variable/function names to clear in the current scope.
     */
    Clear(...names: string[]): void;
    /**
     * Clear every category covered by MATLAB/Octave `clear all`.
     */
    private clearAllWorkspaceCategories;
    /**
     * Normalize command-form `clear` options before applying them.
     *
     * Octave permits long options without a dash except for `exclusive`, so
     * `clear regexp x` is accepted while bare `exclusive` remains a target.
     *
     * @param names Command-form words following `clear`.
     * @returns Normalized options, or `undefined` when the command was fully handled.
     */
    private clearCommandOptions;
    /**
     * Apply normalized `clear` options to the selected workspace category.
     *
     * @param options Normalized command options.
     */
    private clearCommandCategory;
    /**
     * Clear visible variables, functions, and classes with exact or pattern targets.
     *
     * @param options Normalized command options.
     */
    private clearVisibleSymbols;
    /**
     * Test whether a clear target uses MATLAB/Octave wildcard syntax.
     *
     * @param pattern User-supplied clear target.
     * @returns `true` when wildcard expansion is required.
     */
    private clearPatternHasWildcards;
    /**
     * Convert a MATLAB/Octave clear wildcard pattern to a JavaScript regexp.
     *
     * The supported syntax follows Octave `clear`: `*`, `?`, and bracket
     * character classes. Other regexp metacharacters are matched literally.
     *
     * @param pattern Clear wildcard pattern.
     * @returns Anchored regular expression.
     */
    private clearPatternRegExp;
    /**
     * Normalize leading clear pattern options.
     *
     * @param patterns Raw clear pattern arguments.
     * @param initial Initial mode flags selected by the caller.
     * @returns Remaining patterns and normalized flags.
     */
    private clearPatternOptions;
    /**
     * Test one candidate against one clear pattern.
     *
     * @param candidate Visible name.
     * @param pattern User-supplied pattern.
     * @param regexp Whether `pattern` is a JavaScript-style regular expression.
     * @returns `true` when the candidate matches.
     */
    private clearPatternMatches;
    /**
     * Select names matched by clear patterns against a candidate name list.
     *
     * Exact names are preserved even when they are not currently present, so
     * the normal exact-name clear path can still apply aliases and imports.
     *
     * @param patterns User-supplied clear targets.
     * @param candidates Names visible for wildcard expansion.
     * @param initial Initial mode flags selected by the caller.
     * @returns Expanded names in input order without duplicates.
     */
    private selectClearPatternMatches;
    /**
     * Return ordinary variable names that can be matched by clear patterns.
     */
    private clearVariableCandidates;
    /**
     * Return ordinary variables visible to workspace-introspection commands.
     *
     * `who` and `whos` report variables from the active workspace. Class
     * definitions are stored in the same low-level table, so they are filtered
     * out to keep the result aligned with MATLAB/Octave user variables.
     */
    private visibleWorkspaceVariableEntries;
    /**
     * Normalize MATLAB/Octave workspace listing options.
     */
    private workspaceListingOptions;
    /**
     * Select workspace variable names by MATLAB/Octave wildcard or regexp patterns.
     */
    private workspaceVariableNamesByPatterns;
    /**
     * Build a MATLAB-like cellstr column vector for `who`.
     */
    private whoResult;
    /**
     * Build `who` output from already-normalized command or function patterns.
     */
    private whoResultFromPatterns;
    /**
     * Return dimensions reported by `whos` for a runtime value.
     */
    private whosValueSize;
    /**
     * Return a stable, approximate byte count for `whos` metadata.
     */
    private whosValueBytes;
    /**
     * Test whether a value contains complex numeric data for `whos`.
     */
    private whosValueIsComplex;
    /**
     * Build a struct array describing current workspace variables.
     */
    private whosResult;
    /**
     * Build `whos` output from already-normalized command or function patterns.
     */
    private whosResultFromPatterns;
    /**
     * Build a cell column vector with the current lexer keyword list.
     */
    private keywordListResult;
    /**
     * Apply a scalar text predicate to a scalar string or text array.
     */
    private textNamePredicateResult;
    /**
     * MATLAB/Octave language keyword predicate.
     */
    private isKeywordResult;
    /**
     * MATLAB-compatible variable-name predicate.
     */
    private isVarNameResult;
    /**
     * Test whether a name is currently declared global.
     */
    private isGlobalName;
    /**
     * MATLAB/Octave workspace global-name predicate.
     */
    private isGlobalResult;
    /**
     * Return user-defined function names that can be matched by clear patterns.
     */
    private clearFunctionCandidates;
    /**
     * Return visible user-defined function names in shadowing order.
     *
     * Function scopes can execute `clear functions` while the cached
     * function-file definitions live in a parent scope. Walking the visible
     * chain keeps command-form clear semantics aligned with runtime
     * resolution without touching built-ins or host-registered native
     * functions.
     */
    private visibleUserFunctionNames;
    /**
     * Test whether a visible function-table entry is a user function.
     *
     * @param name Function or imported alias candidate.
     * @returns `true` when clearing this name may remove a user function.
     */
    private hasVisibleUserFunction;
    /**
     * Remove a visible user function from the current scope chain.
     *
     * @param name Function-table key to remove.
     * @returns `true` when a user function was visible for this name.
     */
    private clearVisibleUserFunction;
    /**
     * Return loaded class names that can be matched by clear patterns.
     */
    private clearClassCandidates;
    /**
     * Return every visible loaded name category supported by clear patterns.
     */
    private clearVisibleCandidates;
    /**
     * Clear class definitions by selected names, or all loaded classes.
     *
     * @param names Optional loaded class names to clear.
     */
    private clearClassDefinitions;
    /**
     * Clear one exact name or wildcard pattern from visible variables/functions.
     *
     * @param pattern Exact clear target or wildcard pattern.
     */
    private clearNamedPattern;
    /**
     * Clear one visible symbol with MATLAB/Octave shadowing precedence.
     *
     * A variable shadows a function of the same name, so `clear name` removes
     * the variable first. Calling `clear name` again can then remove the
     * now-visible user function. Class definitions are stored as names and are
     * cleared through the same name path.
     *
     * @param name User-supplied symbol or imported alias to clear.
     */
    private clearNamedSymbol;
    /**
     * Remove user-defined functions from visible function tables.
     *
     * Built-ins and operator functions are registered separately and remain
     * available after `clear functions` or `clear all`.
     */
    private clearUserFunctions;
    /**
     * Validate left side of assignment node.
     * @param tree Left side of assignment node.
     * @param shallow True if tree is a left root of assignment.
     * @returns An object with four properties: `left`, `id`, `args` and `field`.
     */
    private validateAssignment;
    /**
     * Convert an evaluated expression to a boolean condition.
     * @param tree Evaluated expression.
     * @returns Boolean truth value.
     */
    private toBoolean;
    /**
     * Convert a scalar complex/logical value to a JavaScript condition flag.
     *
     * @param value Numeric or logical scalar.
     * @returns `true` when either numeric component is nonzero.
     */
    private complexConditionValue;
    /**
     * Evaluate a control-flow condition using MATLAB/Octave truth rules.
     *
     * In condition contexts, MATLAB treats `&` and `|` as short-circuit
     * operators, matching `&&` and `||`. Ordinary expression evaluation keeps
     * `&` and `|` element-wise, so the special handling stays local to control
     * predicates.
     *
     * @param tree Condition expression.
     * @param scope Scope used while evaluating operands.
     * @param name Human-readable expression name for diagnostics.
     * @returns Boolean condition value.
     */
    private evaluatedCondition;
    /**
     * Evaluate a condition expression, preserving conditional short-circuiting.
     *
     * @param tree Condition expression.
     * @param scope Scope used while evaluating operands.
     * @param name Human-readable expression name for diagnostics.
     * @returns Evaluated condition value.
     */
    private evaluatedConditionExpression;
    /**
     * Evaluate a logical operator inside a control-flow condition.
     *
     * @param tree Logical binary operation.
     * @param scope Scope used while evaluating operands.
     * @returns Logical scalar result.
     */
    private evaluateConditionalLogicalOperation;
    private switchComparableValue;
    private switchCaseMatches;
    private switchCandidateMatches;
    private classDefinitionForOperatorValue;
    private classNameForOperatorValue;
    private classDeclaresInferior;
    private classBinaryOperatorMethod;
    private hasClassInstanceElement;
    private classBinaryOperatorArray;
    private evaluateBinaryOperatorWithClassDispatch;
    private classVariadicOperatorMethod;
    private evaluateColonWithClassDispatch;
    /**
     * Dispatch MATLAB/Octave concatenation overloads for class operands.
     *
     * Used both by function-form calls (`horzcat(a,b)`) and by array literals
     * (`[a,b]`, `[a;b]`) through the runtime container hook.
     */
    concatenateOverload(name: 'cat' | 'horzcat' | 'vertcat', values: unknown[], parent: NodeInput): NodeInput | undefined;
    /**
     * Dispatch a functional operator call such as `plus(a,b)` or `colon(a,b)`.
     *
     * Function-form operator calls use the same overload opportunity as their
     * symbolic counterparts. The method also performs the native fallback with
     * the already evaluated arguments, avoiding duplicate evaluation for calls
     * such as `plus(f(), g())`.
     */
    callFunctionalOperatorOverload(node: NodeBuiltInFunction, args: CallArgumentValue[], parent: NodeInput): NodeInput | undefined;
    private requireBinaryOperation;
    private requirePrefixOperation;
    private requirePostfixOperation;
    private evaluateBinaryOperation;
    /**
     * Evaluate MATLAB/Octave scalar short-circuit logical operators.
     *
     * Unlike `&` and `|`, `&&` and `||` decide whether the right-hand operand is
     * evaluated from the truth value of the left-hand operand. The resulting
     * value is always a logical scalar.
     *
     * @param tree Operation node for `&&` or `||`.
     * @param scope Scope used while evaluating operands.
     * @returns Logical scalar result.
     */
    private evaluateShortCircuitOperation;
    private classUnaryOperatorMethod;
    private classUnaryOperatorArray;
    private evaluateUnaryOperation;
    private resolveClassInstanceField;
    private assertCanReadClassProperty;
    private assertCanWriteClassProperty;
    /**
     * Test whether an `AbortSet` property assignment can be skipped.
     *
     * MATLAB skips observable set work when a stored non-dependent property is
     * assigned an equal value. The comparison delegates to shared `isequal`
     * semantics.
     *
     * @param instance Target object.
     * @param property Property being assigned.
     * @param value New value.
     * @returns `true` when assignment side effects should be suppressed.
     */
    private shouldAbortClassPropertySet;
    private assignClassInstanceField;
    private assignNestedClassInstanceField;
    private assignClassArrayField;
    private assignNestedClassArrayField;
    private assignClassArrayIndexedField;
    private assignClassArrayIndexedNestedField;
    private assignClassArrayDescriptorField;
    /**
     * Evaluate AST subscript expressions and narrow them to native index values.
     */
    private evaluatedIndexArguments;
    /**
     * Evaluate one dynamic field-name expression and normalize it to text.
     */
    private evaluatedDynamicFieldName;
    /**
     * Evaluate a receiver in a context that preserves comma-separated lists.
     *
     * Chained access such as `C{:}.field` or `C{:}(idx)` must apply the
     * following subscript to every comma-list element instead of reducing the
     * receiver to its first value.
     */
    private evaluatedCommaSeparatedReceiver;
    /**
     * Return a chained comma-list result in the form expected by the caller.
     */
    private chainedCommaListResult;
    /**
     * Apply one chained call/index operation while building a comma-separated list.
     *
     * Each item in constructs such as `C{:}.method()` contributes one value to
     * the outer comma-separated list, even when the surrounding assignment asks
     * for multiple outputs.
     */
    private chainedCommaItemApply;
    /**
     * Find the prefix of a dotted chain that expands to a comma-separated list.
     *
     * For `S.obj.method()`, the comma list may be produced by `S.obj` rather
     * than by the first receiver `S`. Returning the remaining field suffix lets
     * the caller apply `method` to every expanded object.
     */
    private dottedCommaReceiver;
    /**
     * Apply a dot-field chain to one already evaluated receiver.
     */
    private resolveDotFieldChain;
    private resolveClassArrayField;
    private resolveClassFieldChain;
    /**
     * Evaluate arguments passed to inherited handle pseudo-methods.
     */
    private evaluatedCallArguments;
    /**
     * Test whether a value is an array containing only class instances.
     */
    private isClassInstanceArray;
    /**
     * Test whether a value is an array containing only event listeners.
     */
    private isClassEventListenerArray;
    /**
     * Implement inherited methods supplied by MATLAB's `handle` base class.
     *
     * Classdef method tables contain only user-declared methods. Plain handle
     * subclasses still inherit public operations such as `delete`, `isvalid`,
     * `notify`, and `addlistener`, so dotted calls need a bridge to the same
     * runtime implementations used by the functional forms.
     */
    private inheritedHandleMethodCall;
    private resolveNestedClassInstanceIndexedField;
    private resolveClassArrayDescriptorIndexedField;
    private resolveStructureLikeField;
    private createSubscriptDescriptor;
    private createSubsrefDescriptor;
    private createDotSubscriptDescriptor;
    private createSubscriptDescriptorArray;
    private numericScalarToNumber;
    private callClassInstanceMethodWithOutputCount;
    private callClassNumArgumentsFromSubscript;
    private callClassSubsrefMethod;
    private callClassSubsref;
    private callClassSubsrefDescriptors;
    private callClassDotSubsref;
    private collectClassSubsrefChain;
    private collectSubsasgnAssignmentTarget;
    private indexedAssignmentRhs;
    private readNativeSubscriptDescriptor;
    /**
     * Validate subscript descriptor payloads before native indexing consumes them.
     */
    private descriptorSubscripts;
    /**
     * Normalize a public `substruct` descriptor argument into descriptor
     * structures stored in linear order.
     *
     * @param descriptor Public `substruct` scalar or structure array.
     * @param functionName Built-in name used in diagnostics.
     * @returns Descriptor structures ready for native or class dispatch.
     */
    private subscriptDescriptorStructures;
    /**
     * Apply a public `subsref` descriptor chain to a native runtime value.
     *
     * Intermediate `.` and `{}` descriptors may produce MATLAB/Octave
     * comma-separated lists. When that happens, the following descriptor must
     * be applied to each expanded element instead of reducing the list to its
     * first value.
     *
     * @param target Value being indexed.
     * @param nativeDescriptors Descriptor chain already normalized from a
     * public `substruct` structure array.
     * @returns Referenced value.
     */
    private nativeSubsrefNativeDescriptors;
    private nativeSubsrefDescriptors;
    /**
     * Apply the final public `.` descriptor and preserve structure-array
     * comma-list results.
     *
     * @param target Structure scalar or array being indexed.
     * @param descriptor Final dot descriptor.
     * @returns A scalar field value or a comma-separated return list.
     */
    private nativeDotSubsrefResult;
    /**
     * Apply the final public `{}` descriptor and preserve comma-list results.
     *
     * @param target Cell array being indexed.
     * @param descriptor Final brace descriptor.
     * @returns A scalar cell content or a comma-separated return list.
     */
    private nativeBraceSubsrefResult;
    /**
     * Apply the final public `()` descriptor and preserve cell-array
     * parenthesis indexing as a cell array result.
     *
     * @param target Array or character string being indexed.
     * @param descriptor Final parenthesis descriptor.
     * @returns Indexed value, array, cell array, or character string.
     */
    private nativeParenSubsrefResult;
    private numericCodeToCharString;
    private charStringAssignmentElement;
    private charStringAssignmentRhs;
    /**
     * Select a scalar class instance from an object array using the first
     * public subscript descriptor.
     *
     * @param target Candidate object array.
     * @param descriptors Public descriptor chain.
     * @returns Selected scalar object when the first descriptor selects one.
     */
    private publicObjectArraySubscriptTarget;
    /**
     * Apply one native descriptor for an internal selection probe.
     *
     * These probes only decide whether a public descriptor chain should route
     * to class overloads. They must not inherit the caller's multi-output
     * request, because helper calls such as `subsindex` are scalar protocols.
     */
    private singleOutputNativeSubscriptScalar;
    /**
     * Select a scalar class instance from cell-content public descriptors.
     *
     * A public descriptor chain may reach an object through `C{i}.field` or
     * through a selected sub-cell such as `C(idx){j}.field`. The cell indexing
     * belongs to the container, so any class overload receives only the
     * remaining object descriptors while assignment later reinserts the updated
     * object into the original cell shape.
     */
    private publicCellContentSubscriptSelection;
    private dotDescriptorFieldChain;
    private classPropertyDescriptorChain;
    private classPropertyDescriptorPath;
    private indexedClassPropertyValue;
    private assignNestedClassInstanceIndexedField;
    private resolveClassSubsrefDescriptors;
    private assignClassArrayDescriptorIndexedField;
    private resolveClassArrayPropertyPath;
    private resolveClassCellContentPropertyPath;
    /**
     * Test whether a cell-content descriptor selects only class instances.
     *
     * Public `subsref/subsasgn` for cells must leave structures and other native
     * values to the native descriptor path. The class shortcut is valid only for
     * cell contents that are actually objects.
     */
    private selectedCellContentsAreClassInstances;
    private assignClassInstancePropertyPath;
    private assignClassArrayPropertyPath;
    private assignClassCellContentPropertyPath;
    private assignClassSubsasgnDescriptors;
    private resolveClassCellSubsrefDescriptors;
    /**
     * Public `subsref` built-in implementation.
     *
     * @param target Value being indexed.
     * @param descriptor Public `substruct` descriptor scalar or array.
     * @returns Referenced value, or a class overload result.
     */
    private subsrefResult;
    /**
     * Public `subsasgn` built-in implementation.
     *
     * @param target Value being assigned into.
     * @param descriptor Public `substruct` descriptor scalar or array.
     * @param value Value to store.
     * @returns Updated value.
     */
    private subsasgnResult;
    private nativeDescriptorIndexList;
    private nativeSubscriptScalar;
    /** Validate one `getfield`/`setfield` field-name argument. */
    private fieldAccessNameArgument;
    /**
     * Build native descriptors for MATLAB/Octave `getfield`/`setfield` forms.
     *
     * Field names become dot descriptors, while cell-array arguments become
     * parenthesis descriptors selecting structure elements or field elements.
     */
    private fieldAccessDescriptors;
    /**
     * Insert MATLAB's default first-element structure index for `getfield` and
     * `setfield` calls on nonscalar structure arrays when no explicit leading
     * index was supplied.
     */
    private defaultStructureArrayFieldIndex;
    /** Interpreter-aware `getfield` implementation supporting indexed forms. */
    private getfieldResult;
    /** Interpreter-aware `setfield` implementation supporting indexed forms. */
    private setfieldResult;
    /**
     * Complete values assigned into an indexed empty structure array with that
     * array's known schema. This keeps `S(1).field = value` from losing other
     * fields declared by `struct("a", {}, "b", {})`.
     */
    private emptyStructureSchemaAssignmentValue;
    /** Ensure every element of a structure array has the same top-level fields. */
    private normalizeStructureArrayFields;
    private setNativeIndexedValue;
    private blankNativeSubsasgnValue;
    private nativeSubscriptScalarForAssignment;
    private assignNativeSubsasgnNativeDescriptors;
    private assignNativeSubsasgnDescriptors;
    private shouldUseNativeChainedSubsasgn;
    private callClassSubsasgn;
    private callClassSubsasgnDescriptors;
    private createSubsasgnDescriptor;
    private callClassDotSubsasgn;
    private callClassEnd;
    private callClassSubsindex;
    private zeroBasedSubsindexValue;
    /**
     * Convert class objects used as native array indices through `subsindex`.
     *
     * MATLAB/Octave `subsindex` returns zero-based indices; MathJSLab's native
     * indexing core consumes ordinary one-based MATLAB indices, so this helper
     * validates the method result and shifts it by one at the boundary.
     */
    convertIndexArgument(value: NodeInput, parent: NodeInput): NodeInput;
    /**
     * Re-evaluate expressions waiting for a newly defined forward reference.
     * @param id Identifier that may unblock pending references.
     * @param scope Scope that stores the pending references.
     * @param resolving Resolution chain used to detect recursive cycles.
     */
    private solveUndefined;
    /**
     * A forward reference is recoverable only when it was raised in the
     * currently executing callable. Errors propagated from deeper calls must
     * keep their original stack trace and should not be registered as local
     * pending assignments.
     */
    private isLocalUndefinedReference;
    private registerFunctionDefinition;
    /**
     * Test whether a parsed declaration sits inside an executable control
     * block rather than directly in a script, function, or class section body.
     *
     * MATLAB/Octave declarations are not statements that can be conditionally
     * introduced by `if`, `for`, `try`, and similar blocks. The parser can
     * still build these shapes because command lists are intentionally generic;
     * the interpreter rejects them before registration.
     */
    private isNodeInsideExecutableBlock;
    /**
     * Validate declaration placement for a parsed tree before execution.
     *
     * Command lists are intentionally generic so the parser can preserve rich
     * MATLAB/Octave syntax and parent links. This semantic pass rejects
     * definition/declaration placements that are structurally invalid even when
     * the containing branch would not run at runtime.
     *
     * @param tree Parsed AST to validate.
     */
    private validateDeclarationPlacement;
    private preregisterScriptLocalFunctions;
    private getArgumentValidationName;
    private getNameValueArgumentTarget;
    private getArgumentValidationDisplayName;
    private validateFunctionArgumentsBlocks;
    private validateFunctionSignatureList;
    private validateFunctionSignature;
    private validateAnonymousFunctionSignature;
    /**
     * Extract the declared name from a `global` or `persistent` list entry.
     *
     * @param declaration Declaration list element.
     * @param declarationKind Display name for diagnostics.
     * @returns Declared identifier.
     */
    private declarationName;
    /**
     * Return the non-ignored names declared by one function signature list.
     *
     * @param nodes Function parameters or returns.
     * @returns Set of declared names.
     */
    private signatureNameSet;
    /**
     * Collect identifier references from a subtree without following parent links.
     *
     * @param node AST fragment to inspect.
     * @param names Accumulator receiving referenced identifier names.
     */
    private collectIdentifierReferences;
    /**
     * Validate MATLAB/Octave restrictions for function declarations.
     *
     * Global and persistent variables must not reuse formal input/output names,
     * and the first declaration must appear before any previous reference to the
     * same local name in the function body.
     *
     * @param func Function definition to validate.
     * @param functionDisplayName Human-readable function name.
     */
    private validateFunctionDeclarations;
    private getValueClassName;
    private objectArrayClassName;
    private getArgumentValidationEntry;
    private validateArgumentValidation;
    private classPropertyValidationNode;
    private validateClassPropertyValue;
    validateClassInstancePropertyDefaults(instance: ClassInstance, scope: Scope): void;
    private validateFunctionArguments;
    validateFunctionInputArguments(func: NodeFunctionDefinition, scope: Scope): void;
    validateFunctionRepeatingArguments(func: NodeFunctionDefinition, scope: Scope, values: ExpressionBoundaryValue[]): void;
    getFunctionNameValueParameters(func: NodeFunctionDefinition): Set<string>;
    private getFunctionNameValueDeclarations;
    splitFunctionCallNameValueArguments(func: NodeFunctionDefinition, args: ExpressionBoundaryValue[]): {
        positional: ExpressionBoundaryValue[];
        named: Map<string, ExpressionBoundaryValue>;
    };
    bindFunctionNameValueArguments(func: NodeFunctionDefinition, scope: Scope, values: Map<string, ExpressionBoundaryValue>): void;
    registerNestedFunctions(func: NodeFunctionDefinition, scope: Scope): void;
    /**
     * Configure MATLAB static-workspace metadata for function calls.
     *
     * Workspaces for nested functions, and functions that contain nested
     * functions, cannot receive brand-new variable names from dynamic code such
     * as `eval`, `evalin`, `assignin`, or scripts. The allowlist is derived from
     * names that appear textually in the function signature/body.
     *
     * @param func Function definition being called.
     * @param scope Fresh call scope associated with the function.
     */
    configureFunctionWorkspace(func: NodeFunctionDefinition, scope: Scope): void;
    /**
     * Test whether a function body declares nested functions directly.
     */
    private functionContainsNestedDefinitions;
    /**
     * Collect variable names that are visible in function text.
     */
    private staticWorkspaceTextNames;
    /**
     * Walk a statement tree and collect assignment/declaration root names.
     */
    private collectStaticWorkspaceTextNames;
    /**
     * Collect assignment root names from one left-hand-side shape.
     */
    private collectStaticAssignmentTargetNames;
    /**
     * Preprocess imports that belong to a script or function body scope.
     *
     * MATLAB applies imports to the whole script/function scope, including
     * statements that appear textually before the `import` command. Execution
     * still visits the `IMPORT` nodes later, but re-registering the same import
     * is harmless because `Scope` deduplicates entries.
     *
     * @param tree Script/function statement tree to scan.
     * @param scope Scope receiving the imports.
     */
    applyScopedImports(tree: NodeInput, scope: Scope): void;
    validateFunctionOutputArguments(func: NodeFunctionDefinition, scope: Scope, requestedOutputCount: number, outputMask?: boolean[]): void;
    getFunctionInputArgumentDefaults(func: NodeFunctionDefinition): Map<string, NodeExpr>;
    getFunctionOutputRepeatingName(func: NodeFunctionDefinition): string | undefined;
    /**
     * Expression tree recursive interpreter.
     * @param tree Expression to evaluate.
     * @param scope Scope of execution.
     * @returns Expression `tree` evaluated.
     */
    Evaluator(tree: NodeInput, scope?: Scope): NodeInput;
    /**
     * Evaluate a parsed AST from the top-level entry point.
     *
     * This method resets `exitStatus`, detaches the root parent pointer, and
     * converts loop-control signals that escaped their valid context into
     * user-facing evaluation errors.
     *
     * @param tree AST node to evaluate.
     * @returns Evaluated runtime value or AST result.
     */
    Evaluate(tree: NodeInput): NodeInput;
    /**
     * Parse and evaluate source text in one call.
     *
     * @param input Source text to execute.
     * @returns Evaluated runtime value or AST result.
     */
    Execute(input: string): NodeInput;
    /**
     * Convert an AST/runtime value back to MathJSLab source-like text.
     *
     * The unparser is intentionally normalized rather than source-preserving:
     * it reflects the AST contract used by tests, diagnostics, and display
     * output, not the exact whitespace/comments of the original input.
     *
     * @param tree AST/runtime value to unparse.
     * @param parentPrecedence Parent operator precedence.
     * @returns Normalized source-like text.
     */
    Unparse(tree: NodeInput, parentPrecedence?: number): string;
    /**
     * Convert an AST/runtime value to a MathML fragment.
     *
     * This method returns only the inner fragment. Use `UnparseMathML` when the
     * caller needs the full `<math>` wrapper and display-mode handling.
     *
     * @param tree AST/runtime value to render.
     * @param parentPrecedence Parent operator precedence.
     * @returns MathML fragment.
     */
    UnparserMathML(tree: NodeInput, parentPrecedence?: number): string;
    /**
     * Wrap a MathML fragment for display.
     *
     * @param tree AST/runtime value to render.
     * @param display MathML display mode.
     * @returns Full MathML string.
     */
    UnparseMathML(tree: NodeInput, display?: 'inline' | 'block' | 'none'): string;
    /**
     * Generate MathML for parsed input without evaluating it.
     *
     * @param input Source text to parse.
     * @param display MathML display mode.
     * @returns MathML rendering of the parsed input.
     */
    ToMathML(input: string, display?: 'inline' | 'block' | 'none'): string;
    /**
     * Parse, evaluate, unparse, and MathML-render source text.
     *
     * This convenience API is useful for demos and diagnostics that need every
     * stage of the interpreter pipeline at once.
     *
     * @param input Source text to process.
     * @param display MathML display mode for the evaluated result.
     * @returns Bundle containing parse, evaluation, unparse, and MathML results.
     */
    Interprets(input: string, display?: 'inline' | 'block' | 'none'): InterpretsResult;
}
export type { ClassSource, ClassSourceProvider, ClassSourceTable, FunctionSource, FunctionSourceProvider, FunctionSourceTable, InterpreterConfig, IncDecOperator, ScriptSource, ScriptSourceProvider, ScriptSourceTable, SourceResolver, };
export type { BuiltinCallable, Callable, FunctionDefinitionCallable, LambdaCallable } from './Callable';
export { ManifestSourceResolver, TableSourceResolver } from './SourceResolver';
export { Scope, CallFrame, InterpreterError, EvalError, ReferenceError, UndefinedReferenceError, CircularReferenceError, SyntaxError, Context, Interpreter };
declare const _default: {
    Scope: typeof Scope;
    CallFrame: typeof CallFrame;
    InterpreterError: typeof InterpreterError;
    EvalError: typeof EvalError;
    ReferenceError: typeof ReferenceError;
    UndefinedReferenceError: typeof UndefinedReferenceError;
    CircularReferenceError: typeof CircularReferenceError;
    SyntaxError: typeof SyntaxError;
    Context: typeof Context;
    Interpreter: typeof Interpreter;
};
export default _default;