import { Promised } from "./utils";
declare global {
    interface Generator<T = unknown, TReturn = any, TNext = unknown> {
        /**
         * Determines whether all elements of a sequence satisfy a condition.
         * @param predicate A function to test each element for a condition.
         * @returns true if every element of the source sequence passes the test in the specified predicate, or if the sequence is empty; otherwise, false.
         */
        all(predicate: (item: T) => boolean): boolean;
        /**
         * Determines whether all elements of a sequence satisfy a condition.
         * @param predicate A function to test each element for a condition.
         * @returns A type inferences boolean to determine the type of the generator.
         */
        all<TTest extends T>(predicate: (item: T) => item is TTest): this is Generator<TTest, TReturn, TNext>;
    }
    interface AsyncGenerator<T = unknown, TReturn = any, TNext = unknown> {
        /**
         * Determines whether all elements of a sequence satisfy a condition.
         * @param predicate A function to test each element for a condition.
         * @returns true if every element of the source sequence passes the test in the specified predicate, or if the sequence is empty; otherwise, false.
         */
        all(predicate: (item: T) => Promised<boolean>): Promise<boolean>;
    }
}