import { Promised } from "./utils";
import "./select";
import "./array";
declare global {
    interface Generator<T = unknown, TReturn = any, TNext = unknown> {
        /**
         * Returns the maximum value in a sequence of number values.
         * @returns The maximum value in the sequence.
         */
        max(this: Generator<number, TReturn, TNext>): number;
        /**
         * Invokes a transform function on each element of a generic
         * sequence and returns the maximum resulting value.
         * @param selector A transform function to apply to each element.
         * @returns The maximum value in the sequence.
         */
        max(selector: (item: T) => number): number;
    }
    interface AsyncGenerator<T = unknown, TReturn = any, TNext = unknown> {
        /**
         * Returns the maximum value in a sequence of number values.
         * @returns The maximum value in the sequence.
         */
        max(this: Generator<number, TReturn, TNext>): Promise<number>;
        /**
         * Invokes a transform function on each element of a generic
         * sequence and returns the maximum resulting value.
         * @param selector A transform function to apply to each element.
         * @returns The maximum value in the sequence.
         */
        max(selector: (item: T) => Promised<number>): Promise<number>;
    }
}