in src/main/kotlin/org/jetbrains/objcdiff/Diffable.kt [13:18]
fun addMemberEquality(equality: MemberEquality) {
if (_membersEquality.contains(MemberEquality.EQUAL) && equality == MemberEquality.UNEQUAL || equality == MemberEquality.INVALID_ORDER) {
_membersEquality.remove(MemberEquality.EQUAL)
}
_membersEquality.add(equality)
}