type AsyncFn<Args extends unknown[], R> = (...args: Args) => Promise<R>;
/**
 * Takes an async function `fn` as a parameter and returns a wrapper function, which ensures
 * that `fn` will be called only once if the promise succeeds:
 *
 * - If the first call is not finished yet, returns the promise to the same result
 * - If the first call is finished and has succeeded, returns the result of this call
 * - If the first call is finished but has failed, `fn` is called again
 * @param fn
 * @returns
 */
export declare function callOnceOnSuccess<Args extends unknown[], R>(fn: AsyncFn<Args, R>): AsyncFn<Args, R>;
export {};