OptionalresponseInforms about a start of response processing.
OptionaluseSetups cancelllable for this communication.
OptionaluseSetups a callback that resumes reading of next data, it is called whenever
CommunicationObserver.next returns false.
a function that will resume reading of next data when called
Data chunk received, can be called multiple times.
data
when false value is returned and CommunicationObserver.useResume is defined,
future calls to next are paused until resume is called.
Observes communication with the server.