message: change graphqlApi instance property to GraphqlApi from IGraphqlApi
diff: @@ -73,7 +73,7 @@ export type AppSyncApiCdkResolverProps = Omit<
  /////////////////////
  export class AppSyncApi extends cdk.Construct {
  - public readonly graphqlApi: appsync.IGraphqlApi;
  + public readonly graphqlApi: appsync.GraphqlApi;
  private readonly functionsByDsKey: { [key: string]: Fn };
  private readonly dataSourcesByDsKey: {
  [key: string]: appsync.BaseDataSource;
  