code: public boolean remove (K removeKey, V removeValue) {
          boolean removedInd = this.store.remove(removeKey, removeValue);
  
          if ( removedInd ) {
              this.notificationExecutor.fireRemoveNotification(this.listeners.iterator(), removeKey, removeValue);
          }
  
          return  removedInd;
      }
docs: Remove the given entry from the registry under the specified key, only if the value matches the one given.
  
  @param removeKey key of the entry to be removed.
  @param removeValue value of the entry to be removed.
  @return true => if the value was removed; false => otherwise.