{
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    "id": "METHOD-0334",
    "kind": "METHOD",
    "title": "mypyを既存projectの小さな範囲から導入する",
    "last_verified": "2026-10-23",
    "currentness": "VERIFIED_AS_OF",
    "revision": 1,
    "requirements": [
      "対象projectと対応する実行環境",
      "設定・検査範囲・依存関係を確認する",
      "原典と導入済みversionの対応を確認し、権限のある検証用入力・別の出力先を用意する"
    ],
    "suitable_for": "既存Pythonコードへ段階的に型検査を加える場面。",
    "unsuitable_for": "すべての診断を無差別にignoreして導入完了とする用途。",
    "purpose": "mypyを既存projectの小さな範囲から導入する",
    "composition": "mypy + Python",
    "shortest_path": [
      "検査対象moduleと依存先の型情報を確認する",
      "対象を絞ってmypyを実行する",
      "型注釈と検査範囲を少しずつ広げる"
    ],
    "verification": "未検査のmoduleやAnyを含む箇所を区別し、全体検査済みと誤認しないことを確認します。",
    "coverage": [
      "testing/verification"
    ],
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    "ads": "OFF",
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