packageDescr.addRule( ruleDescr );
AndDescr lhs = new AndDescr();
ruleDescr.setLhs( lhs );
PatternDescr patternDescr = new PatternDescr( Cheese.class.getName(),
"stilton" );
FieldConstraintDescr literalDescr = new FieldConstraintDescr( "type" );
literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
null ) );
patternDescr.addConstraint( literalDescr );
ruleDescr.setConsequence( "" );
return packageDescr;