Fix dart analyze

Author: happy-san

example/console-simple/analysis_options.yaml

@@ -1,29 +1 @@
-# This file configures the analyzer, which statically analyzes Dart code to
-# check for errors, warnings, and lints.
-#
-# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
-# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
-# invoked from the command line by running `flutter analyze`.
-
-# The following line activates a set of recommended lints for Flutter apps,
-# packages, and plugins designed to encourage good coding practices.
-include: package:flutter_lints/flutter.yaml
-
-linter:
-  # The lint rules applied to this project can be customized in the
-  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
-  # included above or to enable additional rules. A list of all available lints
-  # and their documentation is published at
-  # https://dart-lang.github.io/linter/lints/index.html.
-  #
-  # Instead of disabling a lint rule for the entire project in the
-  # section below, it can also be suppressed for a single line of code
-  # or a specific dart file by using the `// ignore: name_of_lint` and
-  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
-  # producing the lint.
-  rules:
-    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
-    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
-
-# Additional information about this file can be found at
-# https://dart.dev/guides/language/analysis-options
+include: package:lints/recommended.yaml

example/console-simple/bin/collections.dart

@@ -15,7 +15,7 @@ Future<void> runExample(Client client) async {
 }
 
 Future<void> create(Client client, [Schema? schema]) async {
-  final _schema = Schema(
+  final s = Schema(
         'companies',
         {
           Field('company_name', type: Type.string),
@@ -28,7 +28,7 @@ Future<void> create(Client client, [Schema? schema]) async {
 
   try {
     logInfoln(log, 'Creating "$collectionName" collection.');
-    log.fine(await client.collections.create(schema ?? _schema));
+    log.fine(await client.collections.create(schema ?? s));
 
     await writePropagationDelay();
   } on RequestException catch (e, stackTrace) {