@class NSArray; @interface EMMessageConversationFlagChangeAction : EMMessageChangeAction @property (readonly, nonatomic) long long conversationNotificationLevel; @property (copy, nonatomic) NSArray *conversationIDs; + (BOOL)supportsSecureCoding; - (void)encodeWithCoder:(id)a0; - (long long)signpostType; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; - (id)initWithConversationIDs:(id)a0 origin:(long long)a1 actor:(long long)a2 conversationNotificationLevel:(long long)a3; @end