ReadableStreamDefaultReader<T>

Cancels the ReadableStream with an optional reason. https://streams.spec.whatwg.org/#default-reader-cancel

Returns a Promise that resolves with an IIterableResult providing the next chunk or that the stream is closed. The Promise may reject if the stream is errored. https://streams.spec.whatwg.org/#default-reader-read

Release the lock on the stream. Any further calls to read() will error, and the stream can create another reader. https://streams.spec.whatwg.org/#default-reader-release-lock

Returns a Promise that resolves when the Stream closes or is errored, or if the reader releases its lock. https://streams.spec.whatwg.org/#default-reader-closed