firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.VALUE_CLASS_NOT_TOP_LEVEL) { firDiagnostic ->
        ValueClassNotTopLevelImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.VALUE_CLASS_NOT_FINAL) { firDiagnostic ->
        ValueClassNotFinalImpl(
            firDiagnostic as KtPsiDiagnostic,

- [`KT-60639`](https://youtrack.jetbrains.com/issue/KT-60639) K2: IllegalStateException: Unsupported compile-time value GET_CLASS type=kotlin.reflect.KClass<p1.A>
- [`KT-56888`](https://youtrack.jetbrains.com/issue/KT-56888) CFA: Valid green in K1 -> red in K2. `catch_end -> finally -> after_try`

            // Nevertheless, a `KtFirAnalysisSession`'s validity is based on the underlying `LLFirSession`, so removed analysis sessions for
            // library modules might still be valid. This is not a problem, though, because analysis session caching is not required for
            // correctness, but rather a performance optimization.
            analysisSessionProvider.clearCaches()
        }
    }
}