return typeArguments.firstOrNull()?.type
    }

    override fun withNullability(type: KaType, newNullability: KaTypeNullability): KaType {
        require(type is KaFirType)
        return type.coneType.withNullability(newNullability.toConeNullability(), rootModuleSession.typeContext).asKtType()
    }

            getKtExpressionNonErrorType(rightOperand)
        } else {
            getKtExpressionNonErrorType(leftOperand)?.withNullability(ConeNullability.NOT_NULL)
        }
    }

    private fun KaType.withNullability(nullability: ConeNullability): KaType =
        coneType.withNullability(nullability, analysisSession.useSiteSession.typeContext).asKtType()

        withValidityAssertion { analysisSession.typeProvider.getReceiverTypeForDoubleColonExpression(this) }

    public fun KaType.withNullability(newNullability: KaTypeNullability): KaType =
        withValidityAssertion { analysisSession.typeProvider.withNullability(this, newNullability) }

    public fun KaType.upperBoundIfFlexible(): KaType = withValidityAssertion { (this as? KaFlexibleType)?.upperBound ?: this }

import kotlin.reflect.KVariance
import kotlin.reflect.KVisibility
import kotlin.reflect.full.createType
import kotlin.reflect.full.declaredMembers
import kotlin.reflect.full.valueParameters
import kotlin.reflect.full.withNullability
import kotlin.reflect.jvm.javaGetter
import kotlin.reflect.jvm.jvmErasure


class ScriptApiTest {

    @Test
    fun `IDE build script template implements script api`() =

        val lhs = bindingContext[BindingContext.DOUBLE_COLON_LHS, expression.receiverExpression] ?: return null
        return lhs.type.toKtType(analysisContext)
    }

    override fun withNullability(type: KaType, newNullability: KaTypeNullability): KaType {
        require(type is KaFe10Type)
        return type.fe10Type.makeNullableAsSpecified(newNullability == KaTypeNullability.NULLABLE).toKtType(analysisContext)
    }