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    "ISP",
    "Interface Segregation Principle"
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    "after": "interface FooReader { load(id: FooId): Foo; }\ninterface FooWriter { save(foo: Foo): void; }\ninterface FooRemover { delete(id: FooId): void; }\nclass CachedFooReader implements FooReader {\n  load(id: FooId) { return fooCache.get(id)!; }\n}",
    "before": "interface FooWorker {\n  load(id: FooId): Foo;\n  save(foo: Foo): void;\n  delete(id: FooId): void;\n  export(): string;\n}\nclass FooReader implements FooWorker {}",
    "lang": "ts",
    "medium": "code"
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  "scope": [
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  "severity": "mandatory"
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