import { ChangeEvent } from "react"; export declare function isNumber(value: any): value is number; export declare const isNotNumber: (value: any) => boolean; export declare function isNumeric(value: any): boolean; export declare function isArray(value: any): value is Array; export declare const isEmptyArray: (value: any) => boolean; export declare function isFunction(value: any): value is Function; export declare const isDefined: (value: any) => boolean; export declare const isUndefined: (value: any) => value is undefined; export declare const isObject: (value: any) => value is Record; export declare const isEmptyObject: (value: any) => boolean; export declare function isNotEmptyObject(value: any): value is object; export declare const isNull: (value: any) => value is null; export declare function isString(value: any): value is string; export declare function isInputEvent(value: any): value is ChangeEvent; export declare const isEmpty: (value: any) => boolean; export declare const __DEV__: boolean;