docs: public final boolean executeCommand(AbsSender absSender, Message message) {
          if (message.hasText()) {
              String text = message.getText();
              if (text.startsWith(BotCommand.COMMAND_INIT_CHARACTER)) {
                  String commandMessage = text.substring(1);
                  String[] commandSplit = commandMessage.split(BotCommand.COMMAND_PARAMETER_SEPARATOR_REGEXP);
  
                  String command = removeUsernameFromCommandIfNeeded(commandSplit[0]);
  
                  if (commandRegistryMap.containsKey(command)) {
                      String[] parameters = Arrays.copyOfRange(commandSplit, 1, commandSplit.length);
                      commandRegistryMap.get(command).processMessage(absSender, message, parameters);
                      return true;
                  } else if (defaultConsumer != null) {
                      defaultConsumer.accept(absSender, message);
                      return true;
                  }
              }
          }
          return false;
      }