sendChord method Null safety
Implementation
void sendChord(Iterable<String> chordToSend) => _client.send(
_handler.keyboard.buildSendChordRequest(chordToSend),
_handler.keyboard.parseSendChordResponse);
void sendChord(Iterable<String> chordToSend) => _client.send(
_handler.keyboard.buildSendChordRequest(chordToSend),
_handler.keyboard.parseSendChordResponse);