duplicate_import

Duplicate import.

The analyzer produces this diagnostic when an import directive is found that is the same as an import before it in the file. The second import doesn't add value and should be removed.

The following code produces this diagnostic:

import 'package:meta/meta.dart';
import 'package:meta/meta.dart';

@sealed class C {}

Remove the unnecessary import:

import 'package:meta/meta.dart';

@sealed class C {}

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