@class NSUUID, NSArray; @interface IMMutableChatContext : IMChatContext @property (nonatomic) long long serviceType; @property (nonatomic) long long filterCategory; @property (nonatomic, getter=isSpam) BOOL spam; @property (nonatomic, getter=areSendersUnknown) BOOL sendersUnknown; @property (nonatomic, getter=hasResponded) BOOL responded; @property (retain, nonatomic) NSUUID *activeTelephonyConversationUUID; @property (retain, nonatomic) NSArray *showingEditHistoryForChatItemGUIDs; + (id)chatContextForPinnedChat:(id)a0; - (void)setServiceType:(long long)a0; - (void)setSpam:(BOOL)a0; - (void)setActiveTelephonyConversationUUID:(id)a0; - (void)setFilterCategory:(long long)a0; - (void)setResponded:(BOOL)a0; - (void)setSendersUnknown:(BOOL)a0; - (void)setShowingEditHistoryForChatItemGUIDs:(id)a0; @end