richStringEClass.getESuperTypes().add(theXbasePackage.getXBlockExpression()); richStringLiteralEClass.getESuperTypes().add(theXbasePackage.getXStringLiteral()); richStringForLoopEClass.getESuperTypes().add(theXbasePackage.getXForLoopExpression()); richStringIfEClass.getESuperTypes().add(theXbasePackage.getXExpression()); xtendConstructorEClass.getESuperTypes().add(this.getXtendExecutable());