import { Observer } from 'rxjs';
export * from './Deferred';
export * from './ReversibleMap';
export declare function isNumber(val: any): val is number;
export declare function isString(val: any): val is string;
export declare function clamp(val: any, min: any, max: any): number;
export declare function isObject(val: any): val is object;
export declare function isObserver<T>(val: any): val is Observer<T>;
export declare function isFunction(val: any): val is Function;
export declare function isBoolean(val: any): val is boolean;
export declare function isUndefined(val: any): val is undefined;
export declare function negate(fn: (...args: any[]) => any): (...args: any[]) => boolean;
export declare function get<T>(obj: any, path: string, defaultValue?: T, comparer?: (v: any) => boolean): T;
export declare function propEq(prop: string, value: any): (obj: any) => boolean;
export declare function eq(value: any): (value: any) => boolean;
export declare function round(val: number, precision?: number): number;
export declare function isPromise<T>(value: any): value is Promise<T>;
export declare function partition<T>(list: T[], predicate: (v: T) => boolean): [T[], T[]];
export declare function defaults<T>(dest: T, src: T | object | null): T;
export declare function pluck<T>(key: string, items: any[]): T[];
export declare const uid: () => number;