message: picky linter.
diff: @@ -73,6 +73,7 @@ export class ClassRegistry {
  if (schemaItemJson.error)
  throw new IModelError(schemaItemJson.error.status, `failed to get schema item '${ecTypeQualifier}'`);
  + assert(undefined !== schemaItemJson.result);
  const schemaItem = JSON.parse(schemaItemJson.result);
  if (!("appliesTo" in schemaItem) && schemaItem.baseClass === undefined) {
  return ecTypeQualifier;
  