#import #import #import // https://streams.spec.whatwg.org/#readablestreambyobreader [Exposed=*] interface ReadableStreamBYOBReader { constructor(ReadableStream stream); Promise read(ArrayBufferView view, optional ReadableStreamBYOBReaderReadOptions options = {}); undefined releaseLock(); }; ReadableStreamBYOBReader includes ReadableStreamGenericReader; dictionary ReadableStreamBYOBReaderReadOptions { [EnforceRange] unsigned long long min = 1; };