docs: public void setDBClusterOptionGroupMemberships(java.util.Collection<DBClusterOptionGroupStatus> dBClusterOptionGroupMemberships) {
          if (dBClusterOptionGroupMemberships == null) {
              this.dBClusterOptionGroupMemberships = null;
              return;
          }
  
          this.dBClusterOptionGroupMemberships = new com.amazonaws.internal.SdkInternalList<DBClusterOptionGroupStatus>(dBClusterOptionGroupMemberships);
      }