import type { Keys } from "./keys";
export declare type FilterPredicate<T> = (key: Keys<T>, value: T[typeof key], object: T) => boolean;
/**
 * Remove keys from an object based on a function
 * predicate without mutating the original.
 *
 * @param object The original object.
 * @param predicate A predicate function to determine which keys to retain.
 * The filter method calls the predicate function one time for each element in the array.
 */
export declare function filter<T, R>(object: Readonly<T>, predicate: FilterPredicate<T>): R;