export declare function all(): boolean;
export declare function identity<T>(t: T): T;
export declare function qqq<T>(a: T, b: T): boolean;
export declare function isIterable(x: any): x is Iterable<any>;
export declare function not<T extends Array<any>>(fn: (...a: T) => true): (...a: T) => false;
export declare function not<T extends Array<any>>(fn: (...a: T) => false): (...a: T) => true;
export declare function not<T extends Array<any>>(fn: (...a: T) => boolean): (...a: T) => boolean;
export declare const lt: (a: number, b: number) => boolean;
export declare const gt: (a: number, b: number) => boolean;