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Flutter — Como usar o build runner pra gerar modelos | by Vinicius Santos | Flutter — Comunidade BR | Medium
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flutter - How can I solve the problem with the build runner: "This requires the 'non-nullable' language feature to be enabled."? - Stack Overflow
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Automatically run build_runner when opening a Dart or Flutter project · Issue #1211 · Dart-Code/Dart-Code · GitHub
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Problem when running "flutter packages pub run build_runner watch / build" · Issue #832 · Milad-Akarie/auto_route_library · GitHub
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