docs: public static <T> void sendText(final String message, final WebSocketChannel wsChannel, final WebSocketCallback<T> callback, T context, long timeoutmillis) {
          final ByteBuffer data = ByteBuffer.wrap(message.getBytes(StandardCharsets.UTF_8));
          sendInternal(data, WebSocketFrameType.TEXT, wsChannel, callback, context, timeoutmillis);
      }