cdm/src/main/java/thredds/client/catalog/builder/DatasetBuilder.java
public Dataset copyDataset(DatasetNode parent) {
    return new Dataset(parent, name, flds, accessBuilders, datasetBuilders);
  }
public Dataset copyDataset(DatasetNode parent) {
    return new Dataset(parent, name, flds, accessBuilders, datasetBuilders);
  }
public Dataset copyDataset ( DatasetNode parent ) { return new Dataset ( parent , name , flds , accessBuilders , datasetBuilders ) ; }
make an immutable copy without changin DatasetBuilder
make an immutable copy without changin DatasetBuilder