declare function is(val: any, type: string): boolean;
declare function isNumber(value: any): boolean;
declare function isString(value: any): boolean;
declare function isObject(value: any): boolean;
declare function isObjectLike(value: any): boolean;
declare function isPlainObject(value: any): boolean;
declare function isSymbol(value: any): boolean;
declare function isArrayLike(value: any): boolean;
declare function isArrayLikeObject(value: any): boolean;
declare function isFunction(value: any): boolean;
declare function isPromise(value: any): boolean;
declare function isIndex(value: any, length: number): boolean;
declare function isPrototype(value: any): boolean;
declare function isArguments(value: any): boolean;
declare const _default: {
    is: typeof is;
    isNumber: typeof isNumber;
    isString: typeof isString;
    isObject: typeof isObject;
    isObjectLike: typeof isObjectLike;
    isPlainObject: typeof isPlainObject;
    isSymbol: typeof isSymbol;
    isFunction: typeof isFunction;
    isArray: (arg: any) => arg is any[];
    isArrayLikeObject: typeof isArrayLikeObject;
    isIndex: typeof isIndex;
    isArrayLike: typeof isArrayLike;
    isPrototype: typeof isPrototype;
    isArguments: typeof isArguments;
    isPromise: typeof isPromise;
    isBrowser: boolean;
    isNode: boolean;
    isBlobOrBuffer: (data: any) => boolean;
    isUint8Array: (data: any) => boolean;
    isArrayBuffer: (data: any) => boolean;
    isEmpty: (value: any) => boolean;
    isJSONStr: (str: string) => boolean;
};
export default _default;