override val origin: KtSymbolOrigin
        get() = withValidityAssertion {
            val virtualFile = PsiUtilCore.getVirtualFile(psi)
            return if (virtualFile != null) {
                analysisContext.getOrigin(virtualFile)
            } else {
                KtSymbolOrigin.LIBRARY
            }
        }

    override fun hashCode(): Int {
        return packageName.hashCode()
    }

    fun analyze(element: KtElement, mode: AnalysisMode = AnalysisMode.FULL): BindingContext {
        return analyze(listOf(element), mode)
    }

    fun getOrigin(file: VirtualFile): KtSymbolOrigin

    enum class AnalysisMode {
        ALL_COMPILER_CHECKS,
        FULL,
        PARTIAL_WITH_DIAGNOSTICS,
        PARTIAL
    }
}

class Fe10AnalysisContext(

        val element = elements.firstOrNull() ?: return BindingContext.EMPTY
        return getHandler(element).resolveSession.orThrowResolutionNotPerformedError().bindingContext
    }

    override fun getOrigin(file: VirtualFile): KtSymbolOrigin {
        return KtSymbolOrigin.SOURCE
    }

    private fun getHandler(useSiteElement: KtElement): KtFe10AnalysisHandlerExtension {
        val project = useSiteElement.project

        if (psi.language != KotlinLanguage.INSTANCE) {
            return KtSymbolOrigin.JAVA
        }

        val virtualFile = psi.containingFile.virtualFile
        return analysisContext.getOrigin(virtualFile)
    } else { // psi == null
        // Implicit lambda parameter
        if (this is ValueParameterDescriptor && this.name == StandardNames.IMPLICIT_LAMBDA_PARAMETER_NAME) {