gradle-master/subprojects/docs/src/snippets/plugins/mutableManagedProperty/groovy/buildSrc/src/main/java/Download.java
import org.gradle.api.DefaultTask;
import org.gradle.api.provider.Property;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.TaskAction;

import java.net.URI;

// tag::download[]
public abstract class Download extends DefaultTask {

    @Input
    public abstract Property<URI> getUri(); // abstract getter of type Property<T>

    @TaskAction
    void run() {
        System.out.println("Downloading " + getUri().get()); // Use the `uri` property
    }
}
// end::download[]
