TypeArgumentsNotAllowedImpl(
            firDiagnostic.a,
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.TYPE_ARGUMENTS_FOR_OUTER_CLASS_WHEN_NESTED_REFERENCED) { firDiagnostic ->
        TypeArgumentsForOuterClassWhenNestedReferencedImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }

        val classifier: KtClassLikeSymbol
    }

    interface OuterClassArgumentsRequired : KtFirDiagnostic<PsiElement> {
        override val diagnosticClass get() = OuterClassArgumentsRequired::class
        val outer: KtClassLikeSymbol
    }

    interface TypeParametersInObject : KtFirDiagnostic<PsiElement> {
        override val diagnosticClass get() = TypeParametersInObject::class
    }