when (apiSourceFile) {
                is ApiSourceFile.Java -> sources.executeQuery(apiSourceFile, JavaSourceQueries.isOverrideMethod(method))
                is ApiSourceFile.Kotlin -> sources.executeQuery(apiSourceFile, KotlinSourceQueries.isOverrideMethod(method))
            }
        }

    fun isSince(version: String, member: JApiCompatibility): Boolean =

import japicmp.model.JApiField
import japicmp.model.JApiMethod


private
typealias PredicateVisitor = GenericVisitorAdapter<Boolean, Unit?>


internal
object JavaSourceQueries {

    fun isOverrideMethod(method: JApiMethod): JavaSourceQuery<Boolean> =
        JavaSourceQuery(
            false,
            object : PredicateVisitor() {
                override fun visit(declaration: MethodDeclaration, arg: Unit?): Boolean? {

import org.jetbrains.kotlin.psi.psiUtil.collectDescendantsOfType
import org.jetbrains.kotlin.psi.psiUtil.containingClassOrObject


internal
object KotlinSourceQueries {

    fun isOverrideMethod(method: JApiMethod): (KtFile) -> Boolean = { ktFile ->
        val ctMethod = method.newMethod.get()
        ktFile.kotlinDeclarationSatisfies(ctMethod.declaringClass, ctMethod) { ktMember ->