* <p>
 * These extension methods allow an interface to implement a dependencies block in the Groovy DSL by
 * <ul>
 * <li>exposing an instance of {@link DependencyCollector} to add dependencies without explicitly calling {@link DependencyCollector#add(Dependency)}</li>

            import org.gradle.api.artifacts.dsl.DependencyCollector;
            import org.gradle.api.artifacts.dsl.Dependencies;
            import org.gradle.declarative.dsl.model.annotations.Restricted;

            @Restricted
            public interface DependenciesExtension extends Dependencies {
                DependencyCollector getSomething();
                DependencyCollector getSomethingElse();
            }
        """

            @Restricted
            public interface ApplicationDependencies extends Dependencies {
                DependencyCollector getImplementation();
                DependencyCollector getRuntimeOnly();
                DependencyCollector getCompileOnly();
            }
        """

        def javaSourceDir = new File(jvmPluginDir, 'src/main/java/org/gradle/api/experimental/java')
        javaSourceDir.mkdirs()

            import org.gradle.api.artifacts.dsl.DependencyCollector;
            import org.gradle.declarative.dsl.model.annotations.Restricted;


            @Restricted
            public interface LibraryDependencies extends Dependencies {

                DependencyCollector getApi();

                DependencyCollector getImplementation();

                DependencyCollector getRuntimeOnly();

        return result;
    }

    private DependencyCollector dependencyCollector;

    public final DependencyCollector getDependencyCollector() {
        checkClosed();
        if (dependencyCollector == null) {
            dependencyCollector = createDependencyCollector();
        }
        return dependencyCollector;
    }

    protected DependencyCollector createDependencyCollector() {

        return result;
    }

    private DependencyCollector dependencyCollector;

    public final DependencyCollector getDependencyCollector() {
        checkClosed();
        if (dependencyCollector == null) {
            dependencyCollector = createDependencyCollector();
        }
        return dependencyCollector;
    }

    protected DependencyCollector createDependencyCollector() {

[[sec:differences_with_top_level_dependencies]]
=== Differences between the custom `dependencies` and the top-level `dependencies` blocks

Each dependency scope returns a link:{groovyDslPath}/org.gradle.api.artifacts.dsl.DependencyCollector.html[`DependencyCollector`] that provides strongly-typed methods to add and configure dependencies.