String[] roles = { "role2", "role1" };
        String[] fields = { "field2", "field1" };
        String[] excludes = { "exclude2", "exclude1" };

        String result1 = popularWordHelper.getCacheKey(seed, tags, roles, fields, excludes);
        String result2 = popularWordHelper.getCacheKey(seed, tags, roles, fields, excludes);

        assertEquals(result1, result2);
    }

    @Test

          </excludes>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-source-plugin</artifactId>
        <configuration>
          <excludes>
            <!-- 3. Don't include it in the source jar (since it's really more of a "test" than it is production code). -->
            <exclude>**/ForceGuavaCompilation*</exclude>

        return createPathMatcher(baseDirectory, includes, excludes, false);
    }

    /**
     * Creates a path matcher that includes all files except those matching the exclude patterns.
     * <p>
     * This is equivalent to calling {@link #createPathMatcher(Path, Collection, Collection, boolean)}
     * with {@code includes = null}.
     *

     * @param roles array of roles
     * @param fields array of fields
     * @param excludes array of excluded words
     * @return cache key string
     */
    protected String getCacheKey(final String seed, final String[] tags, final String[] roles, final String[] fields,
            final String[] excludes) {
        final StringBuilder buf = new StringBuilder(100);
        buf.append(seed).append(CACHE_KEY_SPLITTER);

              <goal>compile</goal>
            </goals>
            <configuration>
              <release>8</release>
              <excludes>
                <exclude>module-info.java</exclude>
              </excludes>
              <compilerArgs>
                <!--
                    Make includes/excludes fully work:
                    https://issues.apache.org/jira/browse/MCOMPILER-174

     */
    @Override
    public ArtifactFilter getArtifactFilter() {
        Set<String> excludes = new LinkedHashSet<>(getExcludedArtifacts());

        for (ArtifactFilterManagerDelegate delegate : delegates) {
            delegate.addExcludes(excludes);
        }

        return new ExclusionSetFilter(excludes);
    }

    /**
     * Returns the artifact filter for the standard core artifacts.
     *

        <configuration>
          <excludes>
            <exclude>**/package-info.java</exclude>
          </excludes>
        </configuration>
      </plugin>
    </plugins>
  </build>

  <reporting>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-javadoc-plugin</artifactId>
        <configuration>
          <excludes>

      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <configuration>
          <excludes>
            <exclude>**/package-info.java</exclude>
          </excludes>
        </configuration>
      </plugin>
    </plugins>
  </build>

  <reporting>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>

/**
 */
public class ExclusionSetFilter implements ArtifactFilter {
    private Set<String> excludes;

    public ExclusionSetFilter(String[] excludes) {
        this.excludes = new LinkedHashSet<>(Arrays.asList(excludes));
    }

    public ExclusionSetFilter(Set<String> excludes) {
        this.excludes = excludes;
    }

    @Override
    public boolean include(Artifact artifact) {

              <configuration>
                <source>1.8</source>
                <target>1.8</target>
                <excludes>
                  <exclude>module-info.java</exclude>
                </excludes>
                <compilerArgs>
                  <!--
                      Make includes/excludes fully work:
                      https://issues.apache.org/jira/browse/MCOMPILER-174