export declare function promise_like_to_promise<T, E = never>(p: PromiseLike<T>): Promise<T>;
export declare function promise_to_promise_like<T, E = never>(p: Promise<T>): PromiseLike<T>;
export declare function promise_to_promise_like_boolean<T, E = never>(p: Promise<T>): PromiseLike<boolean>;