package Ġdev . fal had . id pay Ċ Ċ import Ġkotlinx . serialization . Serial Name Ċ import Ġkotlinx . serialization . Serializable Ċ Ċ @ Serializable Ċ data Ġclass ĠID Pay Exception ( ĊĠĠĠ Ġ@ Serial Name (" error _ code ") Ġval Ġcode : ĠInt , ĊĠĠĠ Ġ@ Serial Name (" error _ message ") Ġval Ġmsg : ĠString Ċ ) Ġ: ĠThrowable ( message Ġ= Ġmsg )