void (final PsiElement element) { if (element instanceof PsiField && ((PsiField)element).getInitializer() == null && !((PsiField)element).hasModifierProperty(PsiModifier.FINAL)) { ((PsiField)element).setInitializer(JavaPsiFacade.getElementFactory(element.getProject()).createExpressionFromText("true", element)); } else if (element instanceof PsiVariable) { final PsiExpression initializer = ((PsiVariable)element).getInitializer(); if (initializer != null) { replaceWithNegatedExpression(initializer); } } else if (element instanceof PsiMethod) { updateContract((PsiMethod)element); } }