docs: public DBCluster withAssociatedRoles(DBClusterRole... associatedRoles) {
          if (this.associatedRoles == null) {
              setAssociatedRoles(new com.amazonaws.internal.SdkInternalList<DBClusterRole>(associatedRoles.length));
          }
          for (DBClusterRole ele : associatedRoles) {
              this.associatedRoles.add(ele);
          }
          return this;
      }