private File currentDir;
    private File projectDir;
    private Map<String, String> projectProperties = new HashMap<>();
    private Map<String, String> systemPropertiesArgs = new HashMap<>();
    private File gradleUserHomeDir;
    protected File gradleHomeDir;
    private File settingsFile;
    private File buildFile;
    private List<File> initScripts = new ArrayList<>();

                execute(["some", "string"] as String[])
                execute(["some", "string"] as String[], ["array"] as String[], file("test"))
                execute(["some", "string"] as String[], ["array"], file("test"))

                execute(["some", "string"])
                execute(["some", "string"], ["array"] as String[], file("test"))
                execute(["some", "string"], ["array"], file("test"))

        assertIsGradleJar(contentsDir.file("lib/plugins/gradle-dependency-management-${baseVersion}.jar"))
        assertIsGradleJar(contentsDir.file("lib/plugins/gradle-version-control-${baseVersion}.jar"))
        assertIsGradleJar(contentsDir.file("lib/plugins/gradle-ide-${baseVersion}.jar"))
        assertIsGradleJar(contentsDir.file("lib/plugins/gradle-scala-${baseVersion}.jar"))

                getContainer().lookup(org.apache.maven.project.ProjectBuilder.class);
        File child = new File(tempDir.toFile(), "child/pom.xml");
        // build project once
        projectBuilder.build(child, configuration);
        // modify parent
        File parent = new File(tempDir.toFile(), "pom.xml");
        String parentContent = new String(Files.readAllBytes(parent.toPath()), StandardCharsets.UTF_8);

import org.gradle.api.file.ConfigurableFileCollection
import org.gradle.api.file.FileSystemLocation
import org.gradle.api.provider.ListProperty
import org.gradle.api.provider.Provider
import org.gradle.api.tasks.InputFiles
import org.gradle.api.tasks.PathSensitive
import org.gradle.api.tasks.PathSensitivity
import org.gradle.api.tasks.TaskAction
import org.gradle.test.fixtures.file.TestFile

import java.nio.file.Files

            [fromString(), "execute(command, ['FOOBAR=foobar'], file('$pwd'))", pwd, "foobar"],
            [fromGroovyString(), "execute(command, ['FOOBAR=foobar'], file('$pwd'))", pwd, "foobar"],
            [fromStringArray(), "execute(command, ['FOOBAR=foobar'], file('$pwd'))", pwd, "foobar"],
            [fromStringList(), "execute(command, ['FOOBAR=foobar'], file('$pwd'))", pwd, "foobar"],

            dir.file("build$scriptLanguage.extension") << dummyTaskIn(scriptLanguage)
            dir.file("buildSrc", "build$scriptLanguage.extension") << dummyTaskIn(scriptLanguage)
            dir.file("buildSrc", "a", "build$scriptLanguage.extension") << dummyTaskIn(scriptLanguage)
            dir.file("buildSrc", "b").mkdir()

    fun fileSystemEntryObserved(file: File, consumer: String?)

    fun directoryChildrenObserved(directory: File, consumer: String?)

                from = listOf(
                    File("init.gradle.kts") to TestHashCodes.hashCodeFrom(1),
                    File("unchanged.gradle.kts") to TestHashCodes.hashCodeFrom(1)
                ),
                to = listOf(
                    File("init.gradle.kts") to TestHashCodes.hashCodeFrom(2),
                    File("unchanged.gradle.kts") to TestHashCodes.hashCodeFrom(1)
                )

        outputContains 'fis = fis-file'
        outputContains 'fis = fis-abs'

        and:
        problems.assertResultHasProblems(result) {
            withInput "Build file 'build.gradle': file 'provider.txt'"
            withInput "Build file 'build.gradle': file 'fis-path.txt'"
            withInput "Build file 'build.gradle': file 'fis-file.txt'"
            withInput "Build file 'build.gradle': file 'fis-abs.txt'"
        }