override val descriptor: ClassDescriptor? by cached {
        val bindingContext = analysisContext.analyze(psi, AnalysisMode.PARTIAL)
        bindingContext[BindingContext.CLASS, psi]
    }

    override val isInner: Boolean
        get() = withValidityAssertion { psi.hasModifier(KtTokens.INNER_KEYWORD) }

    override val isData: Boolean
        get() = withValidityAssertion { psi.hasModifier(KtTokens.DATA_KEYWORD) }