public PluginPrefixResult resolve(PluginPrefixRequest request) throws NoPluginFoundForPrefixException {
        return new PluginPrefixResult() {
            public String getGroupId() {
                return "com.foobar";
            }

            public String getArtifactId() {
                return "bazbaz";
            }

            public ArtifactRepository getRepository() {
                return null;
            }

        RequirementMatcher matcher;
        matcher = RequirementMatcherFactory.createExactMatcher("foo");
        assertFalse(matcher.matches("bar"));
        assertFalse(matcher.matches("foobar"));
        assertFalse(matcher.matches("foob"));
        assertTrue(matcher.matches("foo"));
    }

    /**
     * Test of createVersionMatcher method, of class RequirementMatcherFactory.
     */
    @Test

        assertNotNull(versionFilter);
        assertTrue(versionFilter instanceof PredicateVersionFilter);

        // chained
        request.getUserProperties().put("maven.versionFilters", "h(5);s;e(org.foo:bar:1)");
        versionFilter = systemSessionFactory.newRepositorySession(request).getVersionFilter();
        assertNotNull(versionFilter);
        assertTrue(versionFilter instanceof ChainedVersionFilter);
    }

     * </ul>
     * Example filter expression: {@code "h(5);s;e(org.foo:bar:1)} will cause: ranges are filtered for "top 5" (instead
     * full range), snapshots are banned if root project is not a snapshot, and if range for {@code org.foo:bar} is
     * being processed, version 1 is omitted.
     *
     * @since 4.0.0
     */