class UmlBaseMessage
!!!216320.cpp!!!	read_(in instances : UmlClassInstanceReference) : void
  _operation = (UmlOperation *) UmlBaseItem::read_();
  if (_operation == 0) _form = UmlCom::read_string();
  _from = instances[(void *) UmlCom::read_unsigned()];
  _to = instances[(void *) UmlCom::read_unsigned()];
!!!216320.java!!!	read_(in instances : UmlClassInstanceReference) : void
  _operation = (UmlOperation) UmlBaseItem.read_();
  if (_operation == null) _form = UmlCom.read_string();
  _from = (UmlClassInstanceReference) instances.get(new Integer(UmlCom.read_unsigned()));
  _to = (UmlClassInstanceReference) instances.get(new Integer(UmlCom.read_unsigned()));
