code: public java.util.List<DBClusterParameterGroup> getDBClusterParameterGroups() {
          if (dBClusterParameterGroups == null) {
              dBClusterParameterGroups = new com.amazonaws.internal.SdkInternalList<DBClusterParameterGroup>();
          }
          return dBClusterParameterGroups;
      }
docs: <p>
  A list of DB cluster parameter groups.
  </p>
  
  @return A list of DB cluster parameter groups.