}

    interface MissingStdlibClass : KaFirDiagnostic<PsiElement> {
        override val diagnosticClass get() = MissingStdlibClass::class
    }

    interface NoThis : KaFirDiagnostic<PsiElement> {
        override val diagnosticClass get() = NoThis::class
    }

    interface DeprecationError : KaFirDiagnostic<PsiElement> {
        override val diagnosticClass get() = DeprecationError::class

internal class NoThisImpl(
    firDiagnostic: KtPsiDiagnostic,
    token: KaLifetimeToken,
) : KaAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KaFirDiagnostic.NoThis

internal class DeprecationErrorImpl(
    override val reference: KaSymbol,
    override val message: String,
    firDiagnostic: KtPsiDiagnostic,
    token: KaLifetimeToken,