export declare type Key = string | number; export declare type Comparator = (a: any, b: any) => boolean; export declare const typeChecker: (type: any) => (value: any) => value is TType; export declare const comparable: (value: any) => any; export declare const isArray: (value: any) => value is any[]; export declare const isObject: (value: any) => value is Object; export declare const isFunction: (value: any) => value is Function; export declare const isVanillaObject: (value: any) => boolean; export declare const equals: (a: any, b: any) => boolean;