System/Library/PrivateFrameworks/MobileMailUI.framework

MFActionCardHeaderMetrics.h

Download MFActionCardHeaderMetrics.h

1. NSObject
2. >
3. MFMessageDisplayMetrics
4. >
5. MFMessageDisplayMetricsRegular

@interface MFActionCardHeaderMetrics : MFMessageDisplayMetricsRegular

- (double)avatarDiameterForCurrentContentSize;
- (double)minHorizontalSpacing;

@end