/**
 * Returns a `ReadableStream` that mirrors the first source stream to queue an item.
 *
 * @group Sources
 * @example
 * ```
 * race([
 * ----20----40----60------
 * --1-----2-----3---------
 * -----------0-----0----0-
 * ])
 *
 * --1-----2-----3---------
 * ```
 */
export declare function race<T>(streams: ReadableStream<T>[], queuingStrategy?: QueuingStrategy<T>): ReadableStream<T>;