@NotNull
 @Override
 public Iterator<Library> getLibraryIterator() {
   return myModel.getLibraryIterator();
 }
 @Override
 public Library getLibraryByName(@NotNull String name) {
   return myModel.getLibraryByName(name);
 }
 @NotNull
 @Override
 public Library[] getLibraries() {
   return myModel.getLibraries();
 }