if restore {

let selectionsRangesToRestore = buffer.selections

.compactMap { $0 as? XCSourceTextRange }

buffer.selections.removeAllObjects()

buffer.lines.apply(modifications)

for range in selectionsRangesToRestore {

buffer.selections.add(range)

}

} else {

buffer.lines.apply(modifications)

}

if let newSelection = updatedContent.newSelection {

mutateCompleteBuffer(

modifications: updatedContent.modifications,

restoringSelections: false

)

buffer.selections.removeAllObjects()

buffer.selections.add(XCSourceTextRange(

start: .init(line: newSelection.start.line, column: newSelection.start.character),

end: .init(line: newSelection.end.line, column: newSelection.end.character)

))

} else {

mutateCompleteBuffer(

modifications: updatedContent.modifications,

restoringSelections: true

)

}