code: public void writeNotification(String methodName, Object argument, OutputStream output) throws IOException {
  		internalWriteRequest(methodName, argument, output, null);
  	}
docs: Writes a JSON-RPC notification to the given
  {@link OutputStream}.
  
  @param methodName the method to invoke
  @param argument   the method argument
  @param output     the {@link OutputStream} to write to
  @throws IOException on error
  @see #writeRequest(String, Object, OutputStream, String)