Issue with generating $initgetit in injectable for flutter

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I'm facing a problem in my Flutter project where I'm trying to generate the $initGetIt function using Injectable, but it's not being generated as expected. Here are the details of the issue:

• I've checked my pubspec.yaml, and the dependencies for get_it and injectable seem to be correct. Everything is updated.
  
• I've run flutter pub get and flutter pub run build_runner watch --delete-conflicting-outputs, but the $initGetIt function is still not generated.
  
• Here's my injection.dart and injection.config.dart files [include code snippets here].
  

I'd appreciate any help or insights on what might be causing this issue and how to fix it.

What I really do to fix, but won't succeed:
**1. Fix pubspec.yaml **

**pubspec.yaml**

environment:
  sdk: '>=3.1.0 <4.0.0'

dependencies:
  bloc: ^8.1.2
  cupertino_icons: ^1.0.2
  dartz: ^0.10.1
  dio: ^5.3.3
  flutter:
    sdk: flutter
  flutter_bloc: ^8.1.3
  freezed: ^2.4.3
  freezed_annotation: ^2.4.1
  get_it: ^7.6.4
  injectable: ^2.3.2
  json_annotation: ^4.8.1
  json_serializable: ^6.7.1
  retrofit: ^4.0.2

dev_dependencies:
  build_runner: ^2.4.6
  flutter_lints: ^2.0.0
  flutter_test:
    sdk: flutter
  injectable_generator: ^2.4.1
  retrofit_generator: ^8.0.0`

**2. removing include package on analysis.option.yaml**

# **Injection.dart**

import 'package:fadvanced_gunawan3_4/injection.config.dart';
import 'package:get_it/get_it.dart';
import 'package:injectable/injectable.dart';

final getIt = GetIt.instance;

@injectableInit
void configureInjection(String env) {
  $initGetIt(getIt, environment: env);
}

# **Injection.config.dart**

`// GENERATED CODE - DO NOT MODIFY BY HAND

// **************************************************************************
// InjectableConfigGenerator
// **************************************************************************

// ignore_for_file: type=lint
// coverage:ignore-file

// ignore_for_file: no_leading_underscores_for_library_prefixes
import 'package:get_it/get_it.dart' as _i1;
import 'package:injectable/injectable.dart' as _i2;

extension GetItInjectableX on _i1.GetIt {
// initializes the registration of main-scope dependencies inside of GetIt
  _i1.GetIt init({
    String? environment,
    _i2.EnvironmentFilter? environmentFilter,
  }) {
    _i2.GetItHelper(
      this,
      environment,
      environmentFilter,
    );
    return this;
  }
}

# **THE ERROR I GOT:**

**injection.dart**

The function $initGetIt isn't defined.
Try importing the library that defines $initGetIt, correcting the name to the name of an existing function, or defining a function named $initGetIt.

What I have tried:

1. Fix all pubspec.yaml dependencies version
2. Removing include package on analysis.option.yaml