Blocks until data becomes available for read.
override bool waitForData
.time .Duration timeout
The maximum wait time can be customized with the
timeout parameter. If there is already
data availabe for read, or if the connection is closed, the function will return immediately
| Optional timeout, the default value of
Duration waits without a timeout.
The function will return
true if data becomes available before the timeout is reached.
If the connection gets closed, or the timeout gets reached,
false is returned instead.