void checkConflictsOnMember(@NotNull PsiMember member,
                              @Nullable String newVisibility,
                              @Nullable PsiModifierList modifierListCopy,
                              @NotNull PsiClass targetClass,
                              @NotNull Set<PsiMember> membersToMove,
                              @NotNull MultiMap<PsiElement, @DialogMessage String> conflicts);
void checkConflictsOnMember(@NotNull PsiMember member,
                              @Nullable String newVisibility,
                              @Nullable PsiModifierList modifierListCopy,
                              @NotNull PsiClass targetClass,
                              @NotNull Set<PsiMember> membersToMove,
                              @NotNull MultiMap<PsiElement, @DialogMessage String> conflicts)