code: public void setListeners(java.util.Collection<Listener> listeners) {
          if (listeners == null) {
              this.listeners = null;
              return;
          }
  
          this.listeners = new java.util.ArrayList<Listener>(listeners);
      }
docs: <p>
  Information about the listener.
  </p>
  
  @param listeners
  Information about the listener.