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);
    }

    public void test_getCacheKey_differentOrder() {

			</includes>
			<outputDirectory>fess-${project.version}/lib/classes</outputDirectory>
		</fileSet>
		<!-- logs -->
		<fileSet>
			<directory>src/main/assemblies/files</directory>
			<outputDirectory>fess-${project.version}/logs</outputDirectory>
			<excludes>
				<exclude>*</exclude>
			</excludes>
			<filtered>false</filtered>
		</fileSet>
		<!-- temp -->
		<fileSet>
			<directory>src/main/assemblies/files</directory>

        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}.
     *

          </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>

     * @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

              <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

              <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

					<webappDirectory>${project.build.directory}/${project.build.finalName}-compress</webappDirectory>
					<excludes>
						<exclude>**/*min.js</exclude>
						<exclude>**/*min.css</exclude>
						<exclude>**/plugins/**/*.js</exclude>
						<exclude>**/WEB-INF/site/**</exclude>
					</excludes>
					<sourceDirectory>src/main/webapp/js</sourceDirectory>
				</configuration>
			</plugin>
			<plugin>

     */
    @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.
     *