import { Is } from '../Any/Is';
import { Match } from '../Any/_Internal';
/**
 * Extract the part of `U` that matches `M`
 * @param U to extract from
 * @param M to select with
 * @returns [[Union]]
 * @example
 * ```ts
 * ```
 */
export declare type Select<U extends any, M extends any, match extends Match = 'default'> = U extends unknown ? {
    1: U & M;
    0: never;
}[Is<U, M, match>] : never;