ReadonlylockedThe locked read-only property of the ReadableStream interface returns whether or not the readable stream is locked to a reader.
The cancel() method of the ReadableStream interface returns a Promise that resolves when the stream is canceled.
Optionalreason: anyThe getReader() method of the ReadableStream interface creates a reader and locks the stream to it.
Optionaloptions: ReadableStreamGetReaderOptionsThe pipeThrough() method of the ReadableStream interface provides a chainable way of piping the current stream through a transform stream or any other writable/readable pair.
The pipeTo() method of the ReadableStream interface pipes the current ReadableStream to a given WritableStream and returns a Promise that fulfills when the piping process completes successfully, or rejects if any errors were encountered.
Optionaloptions: StreamPipeOptions
Stream of append acknowledgements used by AppendSession.