type ObjectIndex = Record<string, unknown>;
export declare const inBrowser: boolean;
export declare const isArray: (arg: any) => arg is any[];
export declare const isDef: <T>(val: T) => val is NonNullable<T>;
export declare const isObject: (val: unknown) => val is Record<any, any>;
export declare const isFunction: (val: unknown) => val is Function;
export declare const isPromise: <T = any>(val: unknown) => val is Promise<T>;
export declare const isBoolean: (val: unknown) => boolean;
export declare const isNumber: (val: unknown) => boolean;
export declare const isNil: (val: unknown) => boolean;
export declare function isMobile(value: string): boolean;
export declare const isIOS: () => boolean;
export declare const toFixed: (value: number, fixed?: number) => number;
export declare const bytesToSize: (bytes: number) => string;
export declare const getParent: (element: any, className: string) => any;
export declare const deepAssign: (to: ObjectIndex, from: ObjectIndex) => ObjectIndex;
export declare function get(object: any, path: string): any;
export {};