cdm/src/main/java/ucar/nc2/iosp/hdf5/H5header.java
boolean isChildOf(H5Group that) {
      if (parent == null) return false;
      if (parent == that) return true;
      return parent.isChildOf(that);
    }
boolean isChildOf(H5Group that) {
      if (parent == null) return false;
      if (parent == that) return true;
      return parent.isChildOf(that);
    }
boolean isChildOf ( H5Group that ) { if ( parent == null ) return false ; if ( parent == that ) return true ; return parent . isChildOf ( that ) ; }
is this a child of that ?
is this a child of that ?