System/Library/PrivateFrameworks/SpotlightUIInternal.framework

SPUIDictationButton.h

Download SPUIDictationButton.h

1. NSObject
2. >
3. UIResponder
4. >
5. UIView
6. >
7. UIControl
8. >
9. UIButton

@interface SPUIDictationButton : UIButton

- (BOOL)_isMicButton;
- (long long)_interactionTextInputSource;

@end