RF24 KEYWORD1
  begin KEYWORD2
  setChannel KEYWORD2
  setPayloadSize KEYWORD2
  getPayloadSize KEYWORD2
  print_details KEYWORD2
  startListening KEYWORD2
  stopListening KEYWORD2
  write KEYWORD2
  available KEYWORD2
  read KEYWORD2
  openWritingPipe KEYWORD2
  openReadingPipe KEYWORD2