export declare const EMPTY_ARRAY: readonly unknown[];
export declare function emptyArray<T>(): T[];
export declare const EMPTY_STRING_ARRAY: string[];
export declare const EMPTY_NUMBER_ARRAY: number[];
/**
 * This function returns `true` if the input array is the special empty array sentinel,
 * which is sometimes used for optimizations.
 */
export declare function isEmptyArray(input: unknown[] | readonly unknown[]): boolean;
export declare function reverse<T>(input: T[]): IterableIterator<T>;
export declare function enumerate<T>(input: Iterable<T>): IterableIterator<[number, T]>;
type ZipEntry<T extends readonly unknown[]> = {
    [P in keyof T]: P extends `${infer N extends number}` ? [N, T[P], T[P]] : never;
}[keyof T & number];
/**
 * Zip two tuples with the same type and number of elements.
 */
export declare function zipTuples<T extends readonly unknown[]>(left: T, right: T): IterableIterator<ZipEntry<T>>;
export declare function zipArrays<T>(left: T[], right: T[]): IterableIterator<[
    'retain',
    number,
    T,
    T
] | ['pop', number, T, undefined] | ['push', number, undefined, T]>;
export {};