in src/main/kotlin/org/jetbrains/plugins/feature/suggester/suggesters/RenamingSuggester.kt [27:31]
fun isAllRenamed(): Boolean {
if (references.size < NUMBER_OF_RENAMES_TO_GET_SUGGESTION) return false
val firstName = references[0].getIdentifiersName()
return !(firstName == initialState || references.any { it.getIdentifiersName() != firstName })
}