import org.gradle.api.file.FileTree;
import org.gradle.api.plugins.JavaPluginExtension;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.SourceSetContainer;
import org.gradle.api.tasks.util.PatternFilterable;

import javax.annotation.Nullable;
import java.util.Optional;
import java.util.function.Supplier;

public class Util {

    public static boolean getBooleanProperty(String property, boolean defaultValue) {

    private Function<FileCollection, FileTree> additionalConfigToFileTree = FileCollection::getAsFileTree;

    private final PatternFilterable corePatternSet;
    private final PatternFilterable xpackPatternSet;
    private final ProjectLayout projectLayout;
    private final FileSystemOperations fileSystemOperations;

    @Inject
    public CopyRestTestsTask(

    private final PatternFilterable testPatternSet;
    private final Factory<PatternSet> patternSetFactory;
    private final List<RestTestTransform<?>> transformations = new ArrayList<>();
    // PatternFilterable -> reason why skipped.
    private final Map<PatternFilterable, String> skippedTestByFilePatternTransformations = new HashMap<>();

import org.gradle.api.tasks.Internal;
import org.gradle.api.tasks.OutputDirectory;
import org.gradle.api.tasks.SkipWhenEmpty;
import org.gradle.api.tasks.TaskAction;
import org.gradle.api.tasks.util.PatternFilterable;
import org.gradle.api.tasks.util.PatternSet;
import org.gradle.internal.Factory;

import javax.inject.Inject;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;

            } else {
                tree = tree.plus(getProject().fileTree(dir));
            }
        }
        return tree == null ? null : tree.matching(patternFilterable -> patternFilterable.include("**/*-NOTICE.txt"));
    }

    @InputFiles
    @Optional
    public FileCollection getSources() {
        return sources;
    }

import org.gradle.api.tasks.PathSensitive;
import org.gradle.api.tasks.PathSensitivity;
import org.gradle.api.tasks.SkipWhenEmpty;
import org.gradle.api.tasks.TaskAction;
import org.gradle.api.tasks.util.PatternFilterable;
import org.gradle.api.tasks.util.PatternSet;

import javax.inject.Inject;
import java.io.File;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.net.URI;

import org.gradle.api.tasks.OutputFile;
import org.gradle.api.tasks.SkipWhenEmpty;
import org.gradle.api.tasks.StopExecutionException;
import org.gradle.api.tasks.TaskAction;
import org.gradle.api.tasks.util.PatternFilterable;
import org.gradle.api.tasks.util.PatternSet;

import javax.inject.Inject;

/**
 * Checks source files for correct file permissions.
 */
public abstract class FilePermissionsTask extends DefaultTask {

        standardReport.startReport();
        for (FileCollection dirSet : getSourceFolders().get()) {
            for (File f : dirSet.getAsFileTree().matching(patternFilterable -> patternFilterable.exclude(getExcludes()))) {
                standardReport.report(new FileDocument(f));
            }
        }
        standardReport.endReport();
        writer.flush();
        writer.close();