private static boolean isNotConstantFieldInitializer(final PsiExpression expression) {
      PsiField parentField = expression.getParent() instanceof PsiField ? (PsiField)expression.getParent() : null;
      return parentField != null && expression == parentField.getInitializer() &&
             parentField.hasModifierProperty(PsiModifier.FINAL) &&
             parentField.hasModifierProperty(PsiModifier.STATIC);
    }
private static boolean isNotConstantFieldInitializer(final PsiExpression expression)