function_asyncIterator(iterable){varmethod;if(typeofSymbol!=="undefined"){if(Symbol.asyncIterator)method=iterable[Symbol.asyncIterator];if(method==null&&Symbol.iterator)method=iterable[Symbol.iterator];}if(method==null)method=iterable["@@asyncIterator"];if(method==null)method=iterable["@@iterator"];if(method==null)thrownewTypeError("Object is not async iterable");returnmethod.call(iterable);}