code: @Override
    public void removeSession(String sessionId) {
      logger.debug("removeSession({}) in Local DataSource", sessionId);
  
      if (this.localDataSource.exists(sessionId)) {
        this.localDataSource.removeSession(sessionId);
      }
      else if (!this.localMode && this.existReplicated(sessionId)) {
        // FIXME: remove node.
      }
    }
docs: /*
  (non-Javadoc)
  
  @see org.jdiameter.common.api.ha.ISessionDatasource#removeSession(java.lang .String)