import type { RProxy } from './proxy';
export interface ToTreeOptions {
    depth: number;
}
export declare type RObject = RProxy<RObjImpl>;
export declare type RNull = RProxy<RObjNull>;
export declare type RSymbol = RProxy<RObjSymbol>;
export declare type RPairlist = RProxy<RObjPairlist>;
export declare type REnvironment = RProxy<RObjEnvironment>;
export declare type RString = RProxy<RObjString>;
export declare type RLogical = RProxy<RObjLogical>;
export declare type RInteger = RProxy<RObjInteger>;
export declare type RDouble = RProxy<RObjDouble>;
export declare type RComplex = RProxy<RObjComplex>;
export declare type RCharacter = RProxy<RObjCharacter>;
export declare type RList = RProxy<RObjList>;
export declare type RRaw = RProxy<RObjRaw>;
export declare type RFunction = RProxy<RObjFunction> & ((...args: unknown[]) => Promise<unknown>);
export declare type RPtr = number;
export declare const RTypeMap: {
    readonly null: 0;
    readonly symbol: 1;
    readonly pairlist: 2;
    readonly closure: 3;
    readonly environment: 4;
    readonly promise: 5;
    readonly call: 6;
    readonly special: 7;
    readonly builtin: 8;
    readonly string: 9;
    readonly logical: 10;
    readonly integer: 13;
    readonly double: 14;
    readonly complex: 15;
    readonly character: 16;
    readonly dots: 17;
    readonly any: 18;
    readonly list: 19;
    readonly expression: 20;
    readonly bytecode: 21;
    readonly pointer: 22;
    readonly weakref: 23;
    readonly raw: 24;
    readonly s4: 25;
    readonly new: 30;
    readonly free: 31;
    readonly function: 99;
};
export declare type RType = keyof typeof RTypeMap;
export declare type RTypeNumber = typeof RTypeMap[keyof typeof RTypeMap];
export declare type RTargetRaw = {
    obj: RawType;
    targetType: 'raw';
};
export declare type RTargetPtr = {
    obj: {
        type?: RType;
        ptr: RPtr;
        methods?: string[];
    };
    targetType: 'ptr';
};
export declare type RTargetError = {
    obj: {
        message: string;
        name: string;
        stack?: string;
    };
    targetType: 'err';
};
export declare type RTargetType = 'raw' | 'ptr' | 'err';
export declare type RTargetObj = RTargetRaw | RTargetPtr | RTargetError;
declare type Nullable<T> = T | RObjNull;
declare type Complex = {
    re: number;
    im: number;
};
export declare type RawType = number | string | boolean | undefined | null | Complex | Error | ArrayBuffer | ArrayBufferView | Array<RawType> | Map<RawType, RawType> | Set<RawType> | {
    [key: string]: RawType;
};
export declare type NamedEntries<T> = [string | null, T][];
export declare type NamedObject<T> = {
    [key: string]: T;
};
export declare type RObjData = RObjImpl | RawType | RObjectTree<RObjImpl>;
export declare type RObjAtomicData<T> = T | (T | null)[] | RObjectTreeAtomic<T>;
export declare type RObjectTree<T> = RObjectTreeImpl<(RObjectTree<T> | RawType | T)[]>;
export declare type RObjectTreeAtomic<T> = RObjectTreeImpl<(T | null)[]>;
declare type RObjectTreeImpl<T> = {
    type: RType;
    names: (string | null)[] | null;
    values: T;
    missing?: boolean[];
};
export declare class RObjImpl {
    ptr: RPtr;
    constructor(target: RTargetObj | RawType);
    get [Symbol.toStringTag](): string;
    type(): RType;
    protect(): void;
    unprotect(): void;
    preserve(): void;
    release(): void;
    isNull(): this is RObjNull;
    isUnbound(): boolean;
    attrs(): Nullable<RObjPairlist>;
    setNames(values: (string | null)[] | null): this;
    names(): (string | null)[] | null;
    includes(name: string): boolean | null;
    toTree(options?: ToTreeOptions, depth?: number): RawType | RObjectTree<RObjImpl>;
    toJs(): ReturnType<this["toTree"]>;
    subset(prop: number | string): RObjImpl;
    get(prop: number | string): RObjImpl;
    getDollar(prop: string): RObjImpl;
    pluck(...path: (string | number)[]): RObjImpl | undefined;
    set(prop: string | number, value: RObjImpl | RawType): RObjImpl;
    static getMethods(obj: RObjImpl): string[];
    static get globalEnv(): RObjImpl;
    static get emptyEnv(): RObjImpl;
    static get baseEnv(): RObjImpl;
    static get null(): RObjNull;
    static get naLogical(): number;
    static get naInteger(): number;
    static get naDouble(): number;
    static get naString(): RObjImpl;
    static get unboundValue(): RObjImpl;
    static get bracketSymbol(): RObjSymbol;
    static get bracket2Symbol(): RObjSymbol;
    static get dollarSymbol(): RObjSymbol;
    static get namesSymbol(): RObjSymbol;
    static wrap(ptr: RPtr): RObjImpl;
    static protect<T extends RObjImpl>(obj: T): T;
    static unprotect(n: number): void;
    static unprotectPtr(obj: RObjImpl): void;
    static preserveObject(obj: RObjImpl): void;
    static releaseObject(obj: RObjImpl): void;
}
export declare class RObjNull extends RObjImpl {
    constructor();
    toTree(): {
        type: 'null';
    };
}
export declare class RObjSymbol extends RObjImpl {
    toTree(): RawType;
    toObject(): {
        printname: string | null;
        symvalue: RPtr | null;
        internal: RPtr | null;
    };
    printname(): RObjString;
    symvalue(): RObjImpl;
    internal(): RObjImpl;
}
export declare class RObjPairlist extends RObjImpl {
    constructor(val: RawType | (RawType | null)[] | RTargetPtr | RObjectTree<RTargetObj>);
    get length(): number;
    toArray(options?: ToTreeOptions): RObjData[];
    toObject({ allowDuplicateKey, allowEmptyKey, depth, }?: {
        allowDuplicateKey?: boolean | undefined;
        allowEmptyKey?: boolean | undefined;
        depth?: number | undefined;
    }): NamedObject<RObjData>;
    entries(options?: ToTreeOptions): NamedEntries<RObjData>;
    toTree(options?: ToTreeOptions, depth?: number): RObjectTree<RObjImpl>;
    includes(name: string): boolean;
    setcar(obj: RObjImpl): void;
    car(): RObjImpl;
    cdr(): Nullable<RObjPairlist>;
    tag(): Nullable<RObjSymbol>;
}
export declare class RObjList extends RObjImpl {
    constructor(val: RawType | (RawType | null)[] | RTargetPtr | RObjectTree<RTargetObj>);
    get length(): number;
    toArray(options?: {
        depth: number;
    }): RObjData[];
    toObject({ allowDuplicateKey, allowEmptyKey, depth, }?: {
        allowDuplicateKey?: boolean | undefined;
        allowEmptyKey?: boolean | undefined;
        depth?: number | undefined;
    }): NamedObject<RObjData>;
    entries(options?: {
        depth: number;
    }): NamedEntries<RObjData>;
    toTree(options?: {
        depth: number;
    }, depth?: number): RObjectTree<RObjImpl>;
}
export declare class RObjFunction extends RObjImpl {
    exec(...args: (RawType | RObjImpl)[]): RObjImpl;
}
export declare class RObjString extends RObjImpl {
    toString(): string;
    toTree(): string;
}
export declare class RObjEnvironment extends RObjImpl {
    constructor(val: RTargetPtr | RObjectTree<RTargetObj>);
    ls(all?: boolean, sorted?: boolean): string[];
    bind(name: string, value: RObjImpl | RawType): void;
    names(): string[];
    frame(): RObjImpl;
    subset(prop: number | string): RObjImpl;
    toObject({ depth }?: {
        depth?: number | undefined;
    }): NamedObject<RawType | RObjImpl | RObjectTree<RObjImpl>>;
    toTree(options?: {
        depth: number;
    }, depth?: number): RObjectTree<RObjImpl>;
}
declare type TypedArray = Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array | Float32Array | Float64Array;
declare type atomicType = number | boolean | Complex | string;
declare abstract class RObjAtomicVector<T extends atomicType> extends RObjImpl {
    get length(): number;
    get(prop: number | string): this;
    subset(prop: number | string): this;
    getDollar(prop: string): RObjImpl;
    detectMissing(): boolean[];
    abstract toTypedArray(): TypedArray;
    toArray(): (T | null)[];
    toObject({ allowDuplicateKey, allowEmptyKey }?: {
        allowDuplicateKey?: boolean | undefined;
        allowEmptyKey?: boolean | undefined;
    }): NamedObject<T | null>;
    entries(): NamedEntries<T | null>;
    toTree(): RObjectTreeAtomic<T>;
}
export declare class RObjLogical extends RObjAtomicVector<boolean> {
    constructor(val: RTargetObj | RObjAtomicData<boolean>);
    getLogical(idx: number): boolean | null;
    toLogical(): boolean | null;
    toTypedArray(): Int32Array;
    toArray(): (boolean | null)[];
}
export declare class RObjInteger extends RObjAtomicVector<number> {
    constructor(val: RTargetObj | RObjAtomicData<number>);
    getNumber(idx: number): number | null;
    toNumber(): number | null;
    toTypedArray(): Int32Array;
}
export declare class RObjDouble extends RObjAtomicVector<number> {
    constructor(val: RTargetObj | RObjAtomicData<number>);
    getNumber(idx: number): number | null;
    toNumber(): number | null;
    toTypedArray(): Float64Array;
}
export declare class RObjComplex extends RObjAtomicVector<Complex> {
    constructor(val: RTargetObj | RObjAtomicData<Complex>);
    getComplex(idx: number): Complex | null;
    toComplex(): Complex | null;
    toTypedArray(): Float64Array;
    toArray(): (Complex | null)[];
}
export declare class RObjCharacter extends RObjAtomicVector<string> {
    constructor(val: RTargetObj | RObjAtomicData<string>);
    getString(idx: number): string | null;
    toString(): string | null;
    toTypedArray(): Uint32Array;
    toArray(): (string | null)[];
}
export declare class RObjRaw extends RObjAtomicVector<number> {
    constructor(val: RTargetObj | RObjAtomicData<number>);
    getNumber(idx: number): number | null;
    toNumber(): number | null;
    toTypedArray(): Uint8Array;
}
/**
 * Test for an RObjImpl instance
 *
 * RObjImpl is the internal interface to R objects, intended to be used
 * on the worker thread.
 *
 * @private
 * @param {any} value The object to test.
 * @return {boolean} True if the object is an instance of an RObjImpl.
 */
export declare function isRObjImpl(value: any): value is RObjImpl;
/**
 * Test for an RObject instance
 *
 * RObject is the user facing interface to R objects.
 *
 * @param {any} value The object to test.
 * @return {boolean} True if the object is an instance of an RObject.
 */
export declare function isRObject(value: any): value is RObject;
/**
 * Test for an RTargetObj object
 *
 * @param {any} value The object to test.
 * @return {boolean} True if the object is an instance of an RTargetObj.
 */
export declare function isRTargetObj(value: any): value is RTargetObj;
/**
 * Test for an RTargetPtr instance
 *
 * @param {any} value The object to test.
 * @return {boolean} True if the object is an instance of an RTargetPtr.
 */
export declare function isRTargetPtr(value: any): value is RTargetPtr;
/**
 * Test for an RFunction instance
 *
 * @param {any} value The object to test.
 * @return {boolean} True if the object is an instance of an RFunction.
 */
export declare function isRFunction(value: any): value is RFunction;
/**
 * Test for an RObjectTree instance
 *
 * @param {any} value The object to test.
 * @return {boolean} True if the object is an instance of an RObjectTree.
 */
export declare function isRObjectTree(value: any): value is RObjectTree<any>;
export declare function getRObjClass(type: RTypeNumber): typeof RObjImpl;
export {};