add(FirErrors.USELESS_ELVIS_RIGHT_IS_NULL) { firDiagnostic ->
        UselessElvisRightIsNullImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.CANNOT_CHECK_FOR_ERASED) { firDiagnostic ->
        CannotCheckForErasedImpl(
            firSymbolBuilder.typeBuilder.buildKtType(firDiagnostic.a),
            firDiagnostic as KtPsiDiagnostic,
            token,
        )