cdm/src/main/java/ucar/nc2/Structure.java
public void setMemberVariables( List<Variable> vars) {
    if (isImmutable()) throw new IllegalStateException("Cant modify");
    members = new ArrayList<>();
    memberHash = new HashMap<>(2*vars.size());
    for (Variable v : vars) {
      addMemberVariable(v);
    }
  }
public void setMemberVariables( List<Variable> vars) {
    if (isImmutable()) throw new IllegalStateException("Cant modify");
    members = new ArrayList<>();
    memberHash = new HashMap<>(2*vars.size());
    for (Variable v : vars) {
      addMemberVariable(v);
    }
  }
Set the list of member variables.
@param vars this is the list of member variables