(function (stream)
{
    "use strict";

    if (!@isReadableStream(stream))
        @throwTypeError("ReadableStreamDefaultReader needs a ReadableStream");
    if (@isReadableStreamLocked(stream))
        @throwTypeError("ReadableStream is locked");

    @readableStreamReaderGenericInitialize(this, stream);
    @putByIdDirectPrivate(this, "readRequests", []);

    return this;
})