// Add the shadow JAR artifact itself
                    FileCollection shadowJar = project.files(project.getTasks().named("shadowJar"));
                    FileCollection testRuntime = sourceSets.getByName(SourceSet.TEST_SOURCE_SET_NAME).getRuntimeClasspath();

     * constructor can write to it.
     */
    @InputFiles
    @SkipWhenEmpty
    @PathSensitive(PathSensitivity.RELATIVE)
    public List<FileCollection> getJavaFiles() {
        return getSourceFolders().get();
    }

    @Internal
    public abstract ListProperty<FileCollection> getSourceFolders();

    public File getReportFile() {
        return reportFile;
    }

    public void setReportFile(File reportFile) {

            return false;
        }

        return true;
    }

    @InputFiles
    public FileCollection getChangelogs() {
        return changelogs;
    }

    public void setChangelogs(FileCollection files) {
        this.changelogs.setFrom(files);
    }

    @InputFile
    public RegularFileProperty getReleaseNotesIndexTemplate() {

        }
        mappings.put(from, to);
    }

    @InputFiles
    public FileCollection getDependencies() {
        return dependencies;
    }

    public void setDependencies(FileCollection dependencies) {
        this.dependencies = dependencies;
    }

    @Optional
    @InputDirectory
    public File getLicensesDir() {

            buildDirs.put(project.getBuildDir(), project.getPath());
        }
        return buildDirs;
    }

    @CompileClasspath
    public FileCollection getClasspath() {
        return classpath.filter(File::exists);
    }

    public void setClasspath(FileCollection classpath) {
        this.classpath = classpath;
    }

    @InputFiles
    @SkipWhenEmpty
    @PathSensitive(PathSensitivity.RELATIVE)

    // We only care about the runtime classpath ABI here.
    @CompileClasspath
    public FileCollection getJdkJarHellClasspath() {
        return jdkJarHellClasspath.filter(File::exists);
    }

    public void setJdkJarHellClasspath(FileCollection jdkJarHellClasspath) {
        this.jdkJarHellClasspath = jdkJarHellClasspath;
    }

import org.elasticsearch.gradle.internal.conventions.util.Util;
import org.gradle.api.DefaultTask;
import org.gradle.api.NamedDomainObjectContainer;
import org.gradle.api.Task;
import org.gradle.api.file.FileCollection;
import org.gradle.api.file.FileTree;
import org.gradle.api.file.ProjectLayout;
import org.gradle.api.tasks.Classpath;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.OutputFile;