}
                    }
                    boolean optional = false;
                    if (!selector.isEmpty() && selector.charAt(0) == '?') {
                        optional = true;
                        selector = selector.substring(1);
                    }
                    projectActivation.addProjectActivation(selector, active, optional);
                }
            }
        }
    }

     */
    @Size(max = 10000)
    @Required
    public String rt;

    /**
     * Hash value for security or validation purposes.
     * This field is optional and used for request verification.
     */
    public String hash;

    /**
     * Query identifier associated with the search that led to this document access.

        }
        return false;
    }

    private Optional<String> extractRequiredJavaVersion(PlexusConfiguration c) {
        return Optional.ofNullable(c.getChild("requiredJavaVersion")).map(PlexusConfiguration::getValue);
    }

    private Optional<String> extractRequiredMavenVersion(PlexusConfiguration c) {
        return Optional.ofNullable(c.getChild("requiredMavenVersion")).map(PlexusConfiguration::getValue);

    }

    @Override
    public Path getRootDirectory() {
        return project.getRootDirectory();
    }

    @Override
    public Optional<Project> getParent() {
        MavenProject parent = project.getParent();
        return Optional.ofNullable(session.getProject(parent));
    }

    @Override
    @Nonnull
    public List<Profile> getDeclaredProfiles() {

     * @see org.apache.maven.api.services.ArtifactManager#getPath(Artifact)
     */
    @Nonnull
    default Optional<ProducedArtifact> getMainArtifact() {
        List<ProducedArtifact> artifacts = getArtifacts();
        return artifacts.size() == 2 ? Optional.of(artifacts.get(1)) : Optional.empty();
    }

    /**

import org.codelibs.fess.opensearch.config.exentity.WebConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.RenderDataUtil;
import org.dbflute.optional.OptionalEntity;
import org.dbflute.optional.OptionalThing;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.render.RenderData;

import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.optional.OptionalObject;
import org.dbflute.optional.OptionalThing;
import org.dbflute.util.DfTypeUtil;
import org.lastaflute.web.ruts.process.ActionRuntime;
import org.lastaflute.web.servlet.request.RequestManager;

    @Nonnull
    DependencyScope getScope();

    /**
     * Returns whether the dependency is optional or mandatory.
     * Unlike {@link DependencyCoordinates}, the obligation of a {@code Dependency} is always present.
     * The value is computed during the dependencies collection phase.
     *
     * @return {@code true} if the dependency is optional, or {@code false} if mandatory
     * @see DependencyCoordinates#getOptional()
     */

import java.util.Locale;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.entity.SearchRequestParams;
import org.codelibs.fess.mylasta.action.FessUserBean;
import org.dbflute.optional.OptionalThing;

/**
 * Abstract base class for rank fusion searchers in the Fess search system.
 * Rank fusion searchers are responsible for executing search queries and

import java.util.List;

import org.gradle.api.DefaultTask;
import org.gradle.api.file.FileTree;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.InputFiles;
import org.gradle.api.tasks.Optional;
import org.gradle.api.tasks.OutputFile;
import org.gradle.api.tasks.TaskAction;

/**
 * Concatenates a list of files into one and removes duplicate lines.
 */
public class ConcatFilesTask extends DefaultTask {