src/darwin/Framework/CHIP/templates/partials/renamed_struct_field_impl.zapt

- (void)set{{asUpperCamelCase oldName}}:({{asObjectiveCType type cluster}}){{asStructPropertyName oldName}}
{
  self.{{asStructPropertyName newName}} = {{asStructPropertyName oldName}};
}

- ({{asObjectiveCType type cluster}}){{asGetterName oldName}}
{
  return self.{{asStructPropertyName newName}};
}