SenselessNullInWhenImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM) { firDiagnostic ->
        TypecheckerHasRunIntoRecursiveProblemImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.UNSAFE_CALL) { firDiagnostic ->

            Errors.RESOLUTION_TO_PRIVATE_CONSTRUCTOR_OF_SEALED_CLASS,
            Errors.UNRESOLVED_REFERENCE,
            *Errors.TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM.factories,
            *Errors.TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM_IN_AUGMENTED_ASSIGNMENT.factories,
        )

        private val syntaxErrors = setOf(
            Errors.ASSIGNMENT_IN_EXPRESSION_CONTEXT,
        )