export interface Limit {

/**
 * @param fn - Promise-returning/async function.
 * @param arguments - Any arguments to pass through to `fn`. Support for passing arguments on to the `fn` is provided in order to be able to avoid creating unnecessary closures. You probably don't need this optimization unless you're pushing a lot of functions.
 * @returns The promise returned by calling `fn(...arguments)`.
 */
<Arguments extends unknown[], ReturnType>(
        fn: (...arguments: Arguments) => PromiseLike<ReturnType> | ReturnType,
        ...arguments: Arguments
): Promise<ReturnType>;

/**
 * The number of promises that are currently running.
 */
readonly activeCount: number;

/**
 * The number of promises that are waiting to run (i.e. their internal `fn` was not called yet).
 */
readonly pendingCount: number;

}

/**

* Run multiple promise-returning & async functions with limited concurrency.
*
* @param concurrency - Concurrency limit. Minimum: `1`.
* @returns A `limit` function.
*/

export default function pLimit(concurrency: number): Limit;