export * from './copy';
export declare const isFunction: (val: any) => boolean;
export declare const isArray: (arg: any) => arg is any[];
export declare const isString: (val: any) => val is string;
export declare const isSymbol: (val: any) => val is symbol;
export declare const isBoolean: (val: any) => val is boolean;
export declare const isObject: (val: any) => boolean;
export declare const getGuid: () => string;