.listFiles()
        ?.associateWith { dir ->
            val dirPath = dir.toPath()
            Files.walk(dirPath).use { paths ->
                paths.filter { !it.toFile().isDirectory }
                    .limit(4)
                    .map { dirPath.relativize(it).toString() }
                    .collect(Collectors.toList())
            }

fun Directory.parentOrRoot(): Directory = if (this.file("version.txt").asFile.exists()) {
    this
} else {
    val parent = dir("..")
    when {
        parent.file("version.txt").asFile.exists() -> parent
        this == parent -> throw IllegalStateException("Cannot find 'version.txt' file in root of repository")
        else -> parent.parentOrRoot()
    }

    val testCoverage: TestCoverage,
    val stage: Stage
) : Project({
    this.id(testCoverage.asId(model))
    this.name = testCoverage.asName()
}) {
    val functionalTests: List<BaseGradleBuildType> = functionalTestBucketProvider.createFunctionalTestsFor(stage, testCoverage)
    init {
        functionalTests.forEach(this::buildType)
    }

abstract class PerformanceTestProject(model: CIBuildModel, val spec: PerformanceTestProjectSpec, val performanceTests: List<PerformanceTest>) : Project({
    this.id(spec.asConfigurationId(model))
    this.name = spec.asName()
}) {
    init {
        performanceTests.forEach(this::buildType)
    }
}

typealias CtClassOrCtMember = Any


private
val CtClassOrCtMember.declaringClass: CtClass
    get() = when (this) {
        is CtClass -> declaringClass ?: this
        is CtMember -> declaringClass
        else -> throw IllegalStateException("Unsupported javassist member type '${this::class}'")
    }


private
val CtClass.baseQualifiedKotlinName: String
    get() =
        if (isKotlinFileFacadeClass) packageName

/*
 * Copyright 2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

    steps {
        killProcessStep(this@killProcessStep, mode, os, arch, executionMode)
    }
}

fun String.toCapitalized() = this.replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.getDefault()) else it.toString() }

/**
 * Define clean up rules for the project.

// This file contains members that we should consider to pull upstream
// and make available to all Kotlin DSL users
package gradlebuild.basics.kotlindsl

import org.gradle.api.Project
import java.io.ByteArrayOutputStream
import java.io.File


/**
 * `dir / "sub"` is the same as `dir.resolve("sub")`.
 *
 * @see [File.resolve]
 */
operator fun File.div(child: String): File =
    resolve(child)

When that directory changes between Gradle invocations, the state is discarded and recreated.
Typically, the Gradle user home directory does not change for a given process, so this is effectively process state.

The build process state is managed by the `BuildProcessState` class. An instance is created once for a given process.

### Build session state

    /**
     * Whether the <a href="https://www.jetbrains.com/help/teamcity/configuring-vcs-triggers.html">VCS trigger</a>
     * should be enabled, i.e. when new commits are pushed to this branch, should a ReadyForNightly job
     * be triggered automatically?
     *
     * Currently, we only enable VCS trigger for `master`/`release`/`releaseNx` branches.
     */