import javax.inject.Named;
import javax.inject.Singleton;

import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
import org.apache.maven.artifact.resolver.filter.ExclusionSetFilter;
import org.apache.maven.extension.internal.CoreExports;

/**
 */
@Named
@Singleton
@Deprecated

  @Override
  NavigableSet<Integer> createUnfiltered(Iterable<Integer> contents) {
    return Sets.newTreeSet(contents);
  }

  @Override
  NavigableSet<Integer> filter(
      NavigableSet<Integer> elements, Predicate<? super Integer> predicate) {
    return Sets.filter(elements, predicate);
  }

  @Override
  Set<Integer> createUnfiltered(Iterable<Integer> contents) {
    return newHashSet(contents);
  }

  @Override
  Set<Integer> filter(Set<Integer> elements, Predicate<? super Integer> predicate) {
    return Sets.filter(elements, predicate);
  }

                    };
                    filters.add(new PredicateVersionFilter(predicate));
                } else {
                    throw new IllegalArgumentException("Unsupported filter expression: " + expression);
                }
            }
        }
        if (filters.isEmpty()) {
            return null;
        } else if (filters.size() == 1) {
            return filters.get(0);
        } else {

    }

    /**
     * Adds a tag to filter by.
     * @param tag The tag.
     */
    public void addTag(final String tag) {
        tags.add(tag);
    }

    /**
     * Adds a role to filter by.
     * @param role The role.
     */
    public void addRole(final String role) {
        roles.add(role);
    }

    /**
     * Adds a field to filter by.
     * @param field The field name.

            if (prPage.size < PAGE_SIZE) {
                break
            }
        }
        return prs
            .filter { it.milestone?.title?.startsWith(milestone.get()) == true }
            // Filter out the ghost user that replaces deleted users
            .filter { it.user.login != "ghost" }
            .map { it.user.login }
            .toSet()
            .map { getUserInfo(it) }
            .toSet()

            subProjectToClassTimes
                .entries
                .filter { "UNKNOWN" != it.key }
                .filter { model.subprojects.getSubprojectByName(it.key) != null }
                .map {
                    SubprojectTestClassTime(
                        model.subprojects.getSubprojectByName(it.key)!!,
                        it.value.filter { tct ->
                            tct.sourceSet != "test"

    PathScope getPathScope();

    /**
     * Returns a filter for the types of path (class-path, module-path, …) accepted by the tool.
     * For example, if a Java tools accepts only class-path elements, then the filter should return
     * {@code true} for {@link JavaPathType#CLASSES} and {@code false} for {@link JavaPathType#MODULES}.
     * If no filter is explicitly set, then the default is a filter accepting everything.
     *

    public String available;

    /** Search/filter parameter for data configuration sort order. */
    public String sortOrder;

    /** Search/filter parameter for data configuration creator. */
    public String createdBy;

    /** Search/filter parameter for data configuration creation time. */
    public String createdTime;

        request.setSize(size);
        return this;
    }

    /**
     * Adds a tag to filter by.
     * @param tag The tag.
     * @return This builder instance.
     */
    public PopularWordsRequestBuilder addTag(final String tag) {
        request.addTag(tag);
        return this;
    }

    /**
     * Adds a role to filter by.
     * @param role The role.
     * @return This builder instance.
     */