override fun isFunctionalInterfaceType(type: KaType): Boolean {
        require(type is KaFe10Type)
        return JavaSingleAbstractMethodUtils.isSamType(type.fe10Type)
    }

    override fun getFunctionClassKind(type: KaType): FunctionTypeKind? {
        require(type is KaFe10Type)
        return type.fe10Type.constructor.declarationDescriptor?.getFunctionTypeKind()
    }

    override fun canBeNull(type: KaType): Boolean {

        val samResolver = FirSamResolver(
            firSession,
            analysisSession.getScopeSessionFor(firSession),
        )
        return samResolver.isSamType(coneType)
    }

    override fun getFunctionClassKind(type: KaType): FunctionTypeKind? {
        return (type as KaFirType).coneType.functionTypeKind(analysisSession.useSiteSession)
    }

import org.jetbrains.kotlin.name.ClassId

public abstract class KaTypeInfoProvider : KaSessionComponent() {
    public abstract fun isFunctionalInterfaceType(type: KaType): Boolean
    public abstract fun getFunctionClassKind(type: KaType): FunctionTypeKind?
    public abstract fun canBeNull(type: KaType): Boolean
    public abstract fun isDenotable(type: KaType): Boolean
    public abstract fun isArrayOrPrimitiveArray(type: KaType): Boolean