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unused_import

Unused import: '{0}'.

Description

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The analyzer produces this diagnostic when an import isn't needed because none of the names that are imported are referenced within the importing library.

Example

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The following code produces this diagnostic because nothing defined in dart:async is referenced in the library:

dart
import 'dart:async';

void main() {}

Common fixes

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If the import isn't needed, then remove it.

If some of the imported names are intended to be used, then add the missing code.