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# UIKit Constants

This document describes constants that are used throughout the UIKit framework.

## Topics

### Constants

[`UITextFormattingViewControllerDecreaseFontSizeChangeType`](/documentation/UIKit/UITextFormattingViewControllerDecreaseFontSizeChangeType)

[`UITextFormattingViewControllerDecreaseIndentationChangeType`](/documentation/UIKit/UITextFormattingViewControllerDecreaseIndentationChangeType)

[`UITextFormattingViewControllerFontChangeType`](/documentation/UIKit/UITextFormattingViewControllerFontChangeType)

[`UITextFormattingViewControllerFontSizeChangeType`](/documentation/UIKit/UITextFormattingViewControllerFontSizeChangeType)

[`UITextFormattingViewControllerFormattingStyleChangeType`](/documentation/UIKit/UITextFormattingViewControllerFormattingStyleChangeType)

[`UITextFormattingViewControllerHighlightChangeType`](/documentation/UIKit/UITextFormattingViewControllerHighlightChangeType)

[`UITextFormattingViewControllerIncreaseFontSizeChangeType`](/documentation/UIKit/UITextFormattingViewControllerIncreaseFontSizeChangeType)

[`UITextFormattingViewControllerIncreaseIndentationChangeType`](/documentation/UIKit/UITextFormattingViewControllerIncreaseIndentationChangeType)

[`UITextFormattingViewControllerLineHeightPointSizeChangeType`](/documentation/UIKit/UITextFormattingViewControllerLineHeightPointSizeChangeType)

[`UITextFormattingViewControllerRemoveBoldChangeType`](/documentation/UIKit/UITextFormattingViewControllerRemoveBoldChangeType)

[`UITextFormattingViewControllerRemoveItalicChangeType`](/documentation/UIKit/UITextFormattingViewControllerRemoveItalicChangeType)

[`UITextFormattingViewControllerRemoveStrikethroughChangeType`](/documentation/UIKit/UITextFormattingViewControllerRemoveStrikethroughChangeType)

[`UITextFormattingViewControllerRemoveUnderlineChangeType`](/documentation/UIKit/UITextFormattingViewControllerRemoveUnderlineChangeType)

[`UITextFormattingViewControllerSetBoldChangeType`](/documentation/UIKit/UITextFormattingViewControllerSetBoldChangeType)

[`UITextFormattingViewControllerSetItalicChangeType`](/documentation/UIKit/UITextFormattingViewControllerSetItalicChangeType)

[`UITextFormattingViewControllerSetStrikethroughChangeType`](/documentation/UIKit/UITextFormattingViewControllerSetStrikethroughChangeType)

[`UITextFormattingViewControllerSetUnderlineChangeType`](/documentation/UIKit/UITextFormattingViewControllerSetUnderlineChangeType)

[`UITextFormattingViewControllerTextAlignmentChangeType`](/documentation/UIKit/UITextFormattingViewControllerTextAlignmentChangeType)

[`UITextFormattingViewControllerTextColorChangeType`](/documentation/UIKit/UITextFormattingViewControllerTextColorChangeType)

[`UITextFormattingViewControllerTextListChangeType`](/documentation/UIKit/UITextFormattingViewControllerTextListChangeType)

[`UITextFormattingViewControllerUndefinedChangeType`](/documentation/UIKit/UITextFormattingViewControllerUndefinedChangeType)

[`UIKIT_FINAL`](/documentation/UIKit/UIKIT_FINAL)



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