private
    fun signatureOf(method: JavaMethod): String =
        method.parameters.joinToString(separator = ",") { p ->
            if (p.isVarArgs || p.javaClass.isArray) "${p.type.binaryName}[]"
            else p.type.binaryName
        }

    private
    fun commaSeparatedParameterNamesOf(method: JavaMethod) =
        method.parameters.joinToString(separator = ",") { it.name }

    private

    fun String.withTrimmableMargin(): String =
        lines().joinToString(separator = "\n        |")

    private
    fun groovyImports(): String {
        val imports: List<String> =
            generateImportPackages()
                .map { "$it.*" } + "" +
                AnnotationGenerator.ADDITIONAL_DEFAULT_IMPORTS
        return imports.joinToString(separator = "\n") {
            if (it.isBlank()) "" else "import $it"

    labels += "Linux"
    val idSuffix = if (idParts.isNotEmpty()) {
        "With${idParts.joinToString(separator = "And")}"
    } else ""
    id("${model.projectId}_Gradleception$idSuffix")
    name = "Gradleception - ${labels.joinToString(separator = " ")}"
    val descriptionSuffix = if (descriptionParts.isNotEmpty()) {
        " (${descriptionParts.joinToString(separator = ", ")})"
    } else ""
    description =

mkdir -p test-splits
rm -rf test-splits/*-test-classes.properties
cat > test-splits/$action-test-classes.properties << EOL
${testClasses.joinToString("\n")}
EOL
echo "Tests to be ${action}d in this build"
cat test-splits/$action-test-classes.properties
"""

    val linesWithEcho = testClasses.joinToString("\n") { "echo $it" }

    val windowsScript = """
mkdir test-splits
del /f /q test-splits\include-test-classes.properties

    }

    private
    fun createProperties() = Properties().also { properties ->
        properties["runtime"] = runtime.get().joinToString(",")
        properties["projects"] = projects.get().joinToString(",")
        optionalProjects.get().takeIf { it.isNotEmpty() }?.let { optional ->
            properties["optional"] = optional.joinForProperties()
        }
    }

    private

        )

    private
    fun updateProperties(latestKotlinVersions: List<String>) =
        Properties().run {
            setProperty("latests", latestKotlinVersions.joinToString(","))
            store(
                propertiesFile.get().asFile,
                comment.get()
            )
        }

    private
    fun updateCompatibilityDoc(latestKotlinVersions: List<String>) {

                if (list.isNotEmpty()) {
                    append("  $name (").append(list.size).append(")\n")
                    append(list.joinToString(separator = "\n    ", prefix = "    ", postfix = "\n"))
                }
            }
        }.toString()

                ).joinToString(separator = " ")
            skipConditionally()
        }
    }

    fun BuildSteps.adHocPerformanceTest(tests: List<String>) {
        gradleStep(
            listOf(
                "clean",
                "performance:${testProject}PerformanceAdHocTest",
                tests.map { """--tests "$it"""" }.joinToString(" "),

            return
        }
        var replacementsCount = 0
        // readLines eats EOLs, so we need to use postfix to make sure the last line ends with EOL too.
        writeBytes(readLines().joinToString(separator = separator, postfix = separator) { line ->
            when {
                // We assume that the declaration is not empty.
                line.startsWith("DEFAULT_JVM_OPTS='") && line.endsWith('\'') -> {

    }

    private val KClass<*>.typeWithStars: String
        get() = buildString {
            append(simpleName)
            if (typeParameters.isNotEmpty()) {
                append(typeParameters.joinToString(", ", "<", ">") { "*" })
            }
        }