import type { TreeInterpreter } from './TreeInterpreter';
import type { ExpressionNode } from './Lexer';
import type { JSONValue } from '.';
export declare enum InputArgument {
    TYPE_NUMBER = 0,
    TYPE_ANY = 1,
    TYPE_STRING = 2,
    TYPE_ARRAY = 3,
    TYPE_OBJECT = 4,
    TYPE_BOOLEAN = 5,
    TYPE_EXPREF = 6,
    TYPE_NULL = 7,
    TYPE_ARRAY_NUMBER = 8,
    TYPE_ARRAY_STRING = 9
}
export interface InputSignature {
    types: InputArgument[];
    variadic?: boolean;
    optional?: boolean;
}
export declare type RuntimeFunction<T, U> = (resolvedArgs: T) => U;
export interface FunctionSignature {
    _func: RuntimeFunction<any, any>;
    _signature: InputSignature[];
}
export interface FunctionTable {
    [functionName: string]: FunctionSignature;
}
export declare class Runtime {
    _interpreter?: TreeInterpreter;
    TYPE_NAME_TABLE: {
        [InputArgument: number]: string;
    };
    constructor(interpreter: TreeInterpreter);
    registerFunction(name: string, customFunction: RuntimeFunction<any, any>, signature: InputSignature[]): void;
    callFunction(name: string, resolvedArgs: any): unknown;
    private validateInputSignatures;
    private validateArgs;
    private typeMatches;
    private getTypeName;
    createKeyFunction(exprefNode: ExpressionNode, allowedTypes: InputArgument[]): ((x: JSONValue) => JSONValue) | undefined;
    private functionAbs;
    private functionAvg;
    private functionCeil;
    private functionContains;
    private functionEndsWith;
    private functionFloor;
    private functionJoin;
    private functionKeys;
    private functionLength;
    private functionMap;
    private functionMax;
    private functionMaxBy;
    private functionMerge;
    private functionMin;
    private functionMinBy;
    private functionNotNull;
    private functionReverse;
    private functionSort;
    private functionSortBy;
    private functionStartsWith;
    private functionSum;
    private functionToArray;
    private functionToNumber;
    private functionToString;
    private functionType;
    private functionValues;
    private functionTable;
}