/**
 * A type guard to check if an object is a Promise (or a "thenable"). It checks
 * if the object is not null, is an object, and has a callable .then method.
 *
 * Note that if the Promise expects a certain type like `Promise<T>`, there is
 * no way to validate the type of T unless we resolve the promise. This function
 * does not attempt to typecheck for T in any way.
 */
declare function isPromise(obj: unknown): obj is Promise<unknown>;
/**
 * A type guard to check if an object is a native Promise.
 *
 * Note that if the Promise expects a certain type like `Promise<T>`, there is
 * no way to validate the type of T unless we resolve the promise. This function
 * does not attempt to typecheck for T in any way.
 */
declare function isNativePromise(obj: unknown): obj is Promise<unknown>;

export { isNativePromise, isPromise };