)
    }
    add(FirErrors.UNUSED_VARIABLE) { firDiagnostic ->
        UnusedVariableImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.ASSIGNED_VALUE_IS_NEVER_READ) { firDiagnostic ->
        AssignedValueIsNeverReadImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }