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