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prefer-abstract-final-static-class

added in: 1.18.0
style
🛠
Pro+

Suggests adding abstract final to classes with only static members to avoid them being instantiated or being used in inheritance.

Example​

❌ Bad:

// LINT
class Static {
  static final field = 'some value';
}

✅ Good:

abstract final class Static {
  static final field = 'some value';
}

class SomeOtherClass {
  final String value;

  const SomeOtherClass(this.value);
}