{"parser":"@typescript-eslint/parser","plugins": ["@typescript-eslint"    ],"rules": {"@typescript-eslint/no-unused-vars":"error"    }}

functionfoo(x:null){returnx}letx=nullx=foo(x)

7:1  error  'x' is assigned a value but never used.  @typescript-eslint/no-unused-varsx = foo(x)^ error here

7:9  error  'x' is assigned a value but never used.  @typescript-eslint/no-unused-varsx = foo(x)        ^ error here