CREATE MIGRATION m1jujti5v3cgy77tyz42czyxxfntyndf53lxre77nlf4mrwsgrscoq
    ONTO m1bfwybep24ydux23oiyifrk3jstmmnp5y4ronenvefkytuilshgeq
{
  ALTER TYPE default::Message {
      CREATE REQUIRED LINK conversation: default::Conversation {
          SET REQUIRED USING (<default::Conversation>{});
      };
  };
};