LCIMTypedMessageSubclassing

Objective-C

@protocol LCIMTypedMessageSubclassing <NSObject>

@required

/// The type of the typed message,
/// The zero and negative number is reserved for default typed message,
/// Any other typed message should use positive number.
+ (LCIMMessageMediaType)classMediaType;

@end

Swift

protocol LCIMTypedMessageSubclassing : NSObjectProtocol