export declare const _document: Document, _Object: ObjectConstructor, _Array: ArrayConstructor, _String: StringConstructor, _Symbol: SymbolConstructor, _Boolean: BooleanConstructor, _Map: MapConstructor, _Node: {
    new (): Node;
    prototype: Node;
    readonly ATTRIBUTE_NODE: number;
    readonly CDATA_SECTION_NODE: number;
    readonly COMMENT_NODE: number;
    readonly DOCUMENT_FRAGMENT_NODE: number;
    readonly DOCUMENT_NODE: number;
    readonly DOCUMENT_POSITION_CONTAINED_BY: number;
    readonly DOCUMENT_POSITION_CONTAINS: number;
    readonly DOCUMENT_POSITION_DISCONNECTED: number;
    readonly DOCUMENT_POSITION_FOLLOWING: number;
    readonly DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC: number;
    readonly DOCUMENT_POSITION_PRECEDING: number;
    readonly DOCUMENT_TYPE_NODE: number;
    readonly ELEMENT_NODE: number;
    readonly ENTITY_NODE: number;
    readonly ENTITY_REFERENCE_NODE: number;
    readonly NOTATION_NODE: number;
    readonly PROCESSING_INSTRUCTION_NODE: number;
    readonly TEXT_NODE: number;
}, _console: Console, _assign: {
    <T, U>(target: T, source: U): T & U;
    <T, U, V>(target: T, source1: U, source2: V): T & U & V;
    <T, U, V, W>(target: T, source1: U, source2: V, source3: W): T & U & V & W;
    (target: object, ...sources: any[]): any;
}, _is: (value1: any, value2: any) => boolean, _keys: (o: {}) => string[], _isArray: (arg: any) => arg is any[], _from: {
    <T>(arrayLike: ArrayLike<T>): T[];
    <T, U>(arrayLike: ArrayLike<T>, mapfn: (v: T, k: number) => U, thisArg?: any): U[];
    <T>(iterable: Iterable<T> | ArrayLike<T>): T[];
    <T, U>(iterable: Iterable<T> | ArrayLike<T>, mapfn: (v: T, k: number) => U, thisArg?: any): U[];
}, _splice: {
    (start: number, deleteCount?: number | undefined): any[];
    (start: number, deleteCount: number, ...items: any[]): any[];
}, _push: (...items: any[]) => number, _indexOf: (searchElement: any, fromIndex?: number | undefined) => number, _undefined: undefined, _null: null, _Infinity: number;