*/
    @Nullable
    public static FileTree getJavaMainSourceResources(Project project, Action<? super PatternFilterable> filter) {
        final Optional<FileTree> mainFileTree = getJavaMainSourceSet(project).map(SourceSet::getResources).map(FileTree::getAsFileTree);
        return mainFileTree.map(files -> files.matching(filter)).orElse(null);
    }

    /**
     * @param project The project to look for resources.

            final var generateNotice = tasks.register("generateNotice", NoticeTask.class, noticeTask -> {
                noticeTask.setInputFile(noticeFile);
                noticeTask.source(Util.getJavaMainSourceSet(project).get().getAllJava());
            });
            tasks.withType(Zip.class).named("bundlePlugin").configure(task -> task.from(generateNotice));
        }
    }

        // remove compiled classes from the Javadoc classpath:
        // http://mail.openjdk.java.net/pipermail/javadoc-dev/2018-January/000400.html
        javadoc.configure(doc -> doc.setClasspath(Util.getJavaMainSourceSet(project).get().getCompileClasspath()));

        // ensure javadoc task is run with 'check'
        project.getTasks().named(LifecycleBasePlugin.CHECK_TASK_NAME).configure(t -> t.dependsOn(javadoc));
    }

                jar.getArchiveClassifier().set("sources");
                jar.setGroup("build");
                jar.setDescription("Assembles a jar containing source files.");
                SourceSet mainSourceSet = Util.getJavaMainSourceSet(project).get();
                jar.from(mainSourceSet.getAllSource());
            });
            project.getTasks().named(BasePlugin.ASSEMBLE_TASK_NAME).configure(t -> t.dependsOn(sourcesJarTask));
        });