And many teams use only `PUT`, even for partial updates.

    You are **free** to use them however you want, **FastAPI** doesn't impose any restrictions.

    But this guide shows you, more or less, how they are intended to be used.

### Using Pydantic's `exclude_unset` parameter

    override fun resolveToSymbols(reference: KtReference): Collection<KtSymbol> {
        require(reference is KtFe10Reference)
        val bindingContext = analysisContext.analyze(reference.element, Fe10AnalysisFacade.AnalysisMode.PARTIAL)
        return reference.getTargetDescriptors(bindingContext).mapNotNull { descriptor ->
            descriptor.toKtSymbol(analysisContext)
        }
    }

        return analyze(listOf(element), mode)
    }

    fun getOrigin(file: VirtualFile): KtSymbolOrigin

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

class Fe10AnalysisContext(
    facade: Fe10AnalysisFacade,
    val resolveSession: ResolveSession,
    val deprecationResolver: DeprecationResolver,
    val callResolver: CallResolver,

) : KtAnonymousObjectSymbol(), KtFe10PsiSymbol<KtObjectDeclaration, ClassDescriptor> {
    override val descriptor: ClassDescriptor? by cached {
        val bindingContext = analysisContext.analyze(psi, AnalysisMode.PARTIAL)
        bindingContext[BindingContext.CLASS, psi]
    }

    override val superTypes: List<KtType>
        get() = withValidityAssertion {

        if (unwrapped.getParentOfTypes(false, *NON_EXPRESSION_CONTAINERS) != null) {
            return null
        }

        val bindingContext = analysisContext.analyze(unwrapped, AnalysisMode.PARTIAL)
        val smartCastType = when (val smartCastType = bindingContext[BindingContext.SMARTCAST, expression]) {
            is SingleSmartCast -> smartCastType.type

) : KtKotlinPropertySymbol(), KtFe10PsiSymbol<KtProperty, PropertyDescriptor> {
    override val descriptor: PropertyDescriptor? by cached {
        val bindingContext = analysisContext.analyze(psi, AnalysisMode.PARTIAL)
        bindingContext[BindingContext.VARIABLE, psi] as? PropertyDescriptor
    }

    override val isLateInit: Boolean
        get() = withValidityAssertion { psi.hasModifier(KtTokens.LATEINIT_KEYWORD) }

        val bindingContext = analysisContext.analyze(psi, AnalysisMode.PARTIAL)
        bindingContext[BindingContext.VALUE_PARAMETER, psi]
    }

    override val generatedPrimaryConstructorProperty: KtKotlinPropertySymbol? by cached {
        val bindingContext = analysisContext.analyze(psi, AnalysisMode.PARTIAL)

) : KtBackingFieldSymbol(), KtFe10Symbol {
    val descriptor: FieldDescriptor? by cached {
        val bindingContext = analysisContext.analyze(propertyPsi, Fe10AnalysisFacade.AnalysisMode.PARTIAL)
        (bindingContext[BindingContext.VARIABLE, propertyPsi] as? PropertyDescriptor)?.backingField
    }

    override fun createPointer(): KtSymbolPointer<KtBackingFieldSymbol> = withValidityAssertion {

) : KtLocalVariableSymbol(), KtFe10PsiSymbol<KtParameter, VariableDescriptor> {
    override val descriptor: VariableDescriptor? by cached {
        val bindingContext = analysisContext.analyze(psi, Fe10AnalysisFacade.AnalysisMode.PARTIAL)
        bindingContext[BindingContext.VALUE_PARAMETER, psi]
    }

    override val name: Name
        get() = withValidityAssertion { psi.nameAsSafeName }

    override val returnType: KtType

) : KtPropertySetterSymbol(), KtFe10PsiSymbol<KtPropertyAccessor, PropertySetterDescriptor> {
    override val descriptor: PropertySetterDescriptor? by cached {
        val bindingContext = analysisContext.analyze(psi, AnalysisMode.PARTIAL)
        bindingContext[BindingContext.PROPERTY_ACCESSOR, psi] as? PropertySetterDescriptor
    }

    override val modality: Modality