export interface Engine {
    free(): void;
    serializeToProtobuf(): Uint8Array;
    onChange(callback: Function): number;
    removeOnChangeCallback(callback_id: number): void;
    setSimSpecStart(value: number): Error | undefined;
    setSimSpecStop(value: number): Error | undefined;
    setSimSpecDt(value: number, is_reciprocal: boolean): Error | undefined;
    setSimSpecSavestep(value: number, is_reciprocal: boolean): Error | undefined;
    clearSimSpecSavestep(): void;
    setSimSpecMethod(method: number): Error | undefined;
    setSimSpecTimeUnits(value: string): Error | undefined;
    isSimulatable(): boolean;
    getModelVariableErrors(model_name: string): any;
    getModelVariableUnitErrors(model_name: string): any;
    getModelErrors(model_name: string): Array<any>;
    addNewVariable(model_name: string, kind: string, name: string): Error | undefined;
    deleteVariable(model_name: string, ident: string): Error | undefined;
    addStocksFlow(model_name: string, stock: string, flow: string, dir: string): Error | undefined;
    removeStocksFlow(model_name: string, stock: string, flow: string, dir: string): Error | undefined;
    setEquation(model_name: string, ident: string, new_equation: string): Error | undefined;
    setUnits(model_name: string, ident: string, new_units: string): Error | undefined;
    setDocumentation(model_name: string, ident: string, new_docs: string): Error | undefined;
    setGraphicalFunction(model_name: string, ident: string, graphical_function_pb: Uint8Array): Error | undefined;
    removeGraphicalFunction(model_name: string, ident: string): Error | undefined;
    rename(model_name: string, old_name: string, new_name: string): Error | undefined;
    setView(model_name: string, view_off: number, view_pb: Uint8Array): Error | undefined;
    simRunToEnd(): void;
    simVarNames(): Array<any>;
    simSeries(ident: string): Float64Array;
    simClose(): void;
}
export interface EquationError {
    free(): void;
    code: number;
    start: number;
    end: number;
}
export interface Error {
    free(): void;
    getDetails(): string | undefined;
    code: number;
    kind: number;
}
export interface UnitError {
    free(): void;
    get_details(): string | undefined;
    code: number;
    end: number;
    is_consistency_error: boolean;
    start: number;
}
export declare enum ErrorKind {
    Import = 0,
    Model = 1,
    Simulation = 2,
    Variable = 3
}
export declare enum ErrorCode {
    NoError = 0,
    DoesNotExist = 1,
    XmlDeserialization = 2,
    VensimConversion = 3,
    ProtobufDecode = 4,
    InvalidToken = 5,
    UnrecognizedEOF = 6,
    UnrecognizedToken = 7,
    ExtraToken = 8,
    UnclosedComment = 9,
    UnclosedQuotedIdent = 10,
    ExpectedNumber = 11,
    UnknownBuiltin = 12,
    BadBuiltinArgs = 13,
    EmptyEquation = 14,
    BadModuleInputDst = 15,
    BadModuleInputSrc = 16,
    NotSimulatable = 17,
    BadTable = 18,
    BadSimSpecs = 19,
    NoAbsoluteReferences = 20,
    CircularDependency = 21,
    ArraysNotImplemented = 22,
    MultiDimensionalArraysNotImplemented = 23,
    BadDimensionName = 24,
    BadModelName = 25,
    MismatchedDimensions = 26,
    ArrayReferenceNeedsExplicitSubscripts = 27,
    DuplicateVariable = 28,
    UnknownDependency = 29,
    VariablesHaveErrors = 30,
    UnitDefinitionErrors = 31,
    Generic = 32,
    NoAppInUnits = 33,
    NoSubscriptInUnits = 34,
    NoIfInUnits = 35,
    NoUnaryOpInUnits = 36,
    BadBinaryOpInUnits = 37,
    NoConstInUnits = 38,
    ExpectedInteger = 39,
    ExpectedIntegerOne = 40,
    DuplicateUnit = 41,
    ExpectedModule = 42,
    ExpectedIdent = 43,
    UnitMismatch = 44
}