String displayName = parentDisplayName + " Antlr source";
        AntlrSourceDirectorySet antlrSourceSet = objectFactory.newInstance(DefaultAntlrSourceDirectorySet.class, objectFactory.sourceDirectorySet(name, displayName));
        antlrSourceSet.getFilter().include("**/*.g");
        antlrSourceSet.getFilter().include("**/*.g4");
        return antlrSourceSet;
    }

     * is passed to the closure as its delegate.
     * <p>
     * See the example below how {@link org.gradle.api.tasks.SourceSet} 'main' is accessed and how the {@link org.gradle.api.file.SourceDirectorySet} 'java'
     * is configured to exclude some package from compilation.
     *
     * <pre class='autoTested'>
     * plugins {
     *     id 'java'
     * }
     *
     * sourceSets {
     *   main {

import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.artifacts.repositories.ArtifactRepository;
import org.gradle.api.file.FileCollection;
import org.gradle.api.file.SourceDirectorySet;
import org.gradle.api.internal.CollectionCallbackActionDecorator;
import org.gradle.api.internal.DefaultPolymorphicDomainObjectContainer;
import org.gradle.api.internal.collections.DomainObjectCollectionFactory;

link:{javadocPath}/org/gradle/api/file/SourceDirectorySet.html[SourceDirectorySet]:: Hierarchy of source directories
Factories;;
* link:{javadocPath}/org/gradle/api/model/ObjectFactory.html#sourceDirectorySet-java.lang.String-java.lang.String-[ObjectFactory.sourceDirectorySet(String, String)]

=== Lazy Collections API Reference

Use these types for _mutable_ values:

        failure.assertHasCause('Class Thing has no constructor that is annotated with @Inject.')
    }

    def "plugin can create SourceDirectorySet instances"() {
        given:
        buildFile << """
            def dirSet = project.objects.sourceDirectorySet("sources", "some source files")
            assert dirSet != null
        """

        expect:
        succeeds()
    }

`scala` — link:{groovyDslPath}/org.gradle.api.file.SourceDirectorySet.html[SourceDirectorySet] (read-only)::
The Scala source files of this source set. Contains all `.scala` and `.java` files found in the Scala source directories, and excludes all other types of files. _Default value:_ non-null.

     * is passed to the closure as its delegate.
     * <p>
     * See the example below how {@link org.gradle.api.tasks.SourceSet} 'main' is accessed and how the {@link org.gradle.api.file.SourceDirectorySet} 'java'
     * is configured to exclude some package from compilation.
     *
     * <pre class='autoTested'>
     * plugins {
     *     id 'java'
     * }
     *
     * sourceSets {

=== Changing compiler options

    def "can construct file collection from the elements of a source directory set"() {
        buildFile """
            def fileCollection = objects.fileCollection()
            def sourceDirs = objects.sourceDirectorySet('main', 'main files')
            sourceDirs.srcDirs("dir1", "dir2")
            fileCollection.from(sourceDirs.srcDirTrees)
            println("files = \${fileCollection.files.name.sort()}")
        """

====

<1> Declare and configure a suite named `integrationTest`.  The `SourceSet` and synthesized `Test` tasks will be based on this name.
<2> Configure the `sources` of the test suite.
<3> Configure the `java` SourceDirectorySet of the test suite.
<4> Overwrite the `srcDirs` property, replacing the conventional `src/integrationTest/java` location with `src/it/java`.

== Configure the type of a test suite

====