import { Dictionary } from './Dictionary';
export declare function filter<T>(f: (x: T) => boolean, dict: Dictionary<T>): Dictionary<T>;
export declare function filter<S extends T, T>(f: (x: T) => x is S, dict: Dictionary<T>): Dictionary<S>;
export declare function filterC<T>(f: (x: T) => boolean): (dict: Dictionary<T>) => Dictionary<T>;
export declare function filterC<S extends T, T>(f: (x: T) => x is S): (dict: Dictionary<T>) => Dictionary<S>;