docs: def build(self, builder):
          """Build XML by appending to builder"""
          params = dict(
              OID=self.oid,
              Active=bool_to_true_false(self.active),
              BypassDuringMigration=bool_to_true_false(self.bypass_during_migration),
              NeedsRetesting=bool_to_true_false(self.needs_retesting),
          )
  
          builder.start("mdsol:EditCheckDef", params)
          for step in self.check_steps:
              step.build(builder)
  
          for action in self.check_actions:
              action.build(builder)
          builder.end("mdsol:EditCheckDef")