public static String @NotNull [] suggestFieldNames(@NotNull PsiClass aClass, @NotNull PsiClass targetClass) {
    PsiManager psiManager = aClass.getManager();
    PsiType superType = JavaPsiFacade.getElementFactory(psiManager.getProject()).createType(targetClass);
    return JavaCodeStyleManager.getInstance(psiManager.getProject()).suggestVariableName(VariableKind.FIELD, null, null, superType).names;
  }
public static String @NotNull [] suggestFieldNames(@NotNull PsiClass aClass, @NotNull PsiClass targetClass)