@class EMFollowUp; @interface EMMessageFollowUpAction : EMMessageChangeAction @property (readonly, nonatomic) EMFollowUp *followUp; + (BOOL)supportsSecureCoding; - (void)encodeWithCoder:(id)a0; - (long long)signpostType; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; - (id)initWithMessageListItems:(id)a0 origin:(long long)a1 actor:(long long)a2 followUp:(id)a3; @end