code: @SuppressWarnings("unchecked")
      private <E extends R> List<E> getReadyObjectList(final UniqueKey<E> uniqueKey) {
  
          List<E> readyObjectList = null;
          synchronized (this.componentMap) {
              // retrieve the component from the singleton map
              // It the component is already registered, get it to return it
              if (exists(uniqueKey)) {
  
                  readyObjectList = new ArrayList<>((Set<E>) this.componentMap.get(uniqueKey));
  
                  // // Check that the reference is not null
                  // if (weakHashSet != null) {
                  // // If no key is provided retrieve from the singleton map
                  // // Extract the value from the weak reference
                  // readyObject = (E) weakHashSet.get();
                  // }
              }
          }
          return readyObjectList;
      }
docs: Check the presence of the Object and return it if possible otherwise return null.
  
  @param uniqueKey the unqiueKey of thesearch object
  
  @return the readyObject or null