token,
        )
    }
    add(FirErrors.BUILDER_INFERENCE_STUB_RECEIVER) { firDiagnostic ->
        BuilderInferenceStubReceiverImpl(
            firDiagnostic.a,
            firDiagnostic.b,
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.BUILDER_INFERENCE_MULTI_LAMBDA_RESTRICTION) { firDiagnostic ->

internal class InvisibleReferenceImpl(
    override val reference: KtSymbol,
    override val visible: Visibility,
    override val containingDeclaration: ClassId?,
    firDiagnostic: KtPsiDiagnostic,
    token: KtLifetimeToken,
) : KtAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KtFirDiagnostic.InvisibleReference

internal class UnresolvedReferenceImpl(
    override val reference: String,
    override val operator: String?,

        override val diagnosticClass get() = InvisibleReference::class
        val reference: KtSymbol
        val visible: Visibility
        val containingDeclaration: ClassId?
    }

    interface UnresolvedReference : KtFirDiagnostic<PsiElement> {
        override val diagnosticClass get() = UnresolvedReference::class
        val reference: String
        val operator: String?
    }