BufferedByteWriteChannel

Flush all pending bytes from writeBuffer to the internal read buffer without suspension and initiate channel close.

Flush all pending bytes from writeBuffer to the internal read buffer without suspension.

Wraps this channel to execute the provided action when closed using flushAndClose().

Await for desiredSpace will be available for write and invoke block function providing Memory instance and the corresponding range suitable for wiring in the memory. The block function should return number of bytes were written, possibly 0.