* @return the parsed Query object
     * @throws QueryParseException if the query cannot be parsed
     */
    public Query parse(final String query) {
        return filterChain.parse(query);
    }

    /**
     * Creates a new Lucene query parser with the current configuration.
     * The parser is configured with the default field, analyzer, wildcard settings,
     * and default operator.
     *

            final SAXParser parser = factory.newSAXParser();
            parser.setProperty(XMLConstants.ACCESS_EXTERNAL_DTD, StringUtil.EMPTY);
            parser.setProperty(XMLConstants.ACCESS_EXTERNAL_SCHEMA, StringUtil.EMPTY);
            parser.parse(is, this);
        } catch (final Exception e) {
            throw new GsaConfigException("Failed to parse XML file.", e);
        }
    }

    /**

}

// preSignValues data type represents structured form of AWS Signature V4 query string.
type preSignValues struct {
	signValues
	Date    time.Time
	Expires time.Duration
}

// Parses signature version '4' query string of the following form.
//
//	querystring = X-Amz-Algorithm=algorithm
//	querystring += &X-Amz-Credential= urlencode(accessKey + '/' + credential_scope)
//	querystring += &X-Amz-Date=date

            assertNotNull(diInjected.parser);
            assertNotNull(diInjected.parsers);
            assertEquals(1, diInjected.parsers.size());
            assertNotNull(diInjected.parsersMap);
            assertEquals(1, diInjected.parsersMap.size());
        }

        static class DiInjected {
            @org.apache.maven.api.di.Inject
            ModelParser parser;

            @org.apache.maven.api.di.Inject

            }
        }
        java.util.Set<String> parsed = new java.util.HashSet<String>();
        while ((strict ? parser.nextTag() : nextTag(parser)) == XmlPullParser.START_TAG) {
            if (checkFieldWithDuplicate(parser, "groupId", null, parsed)) {
                coreExtension.setGroupId(interpolatedTrimmed(parser.nextText(), "groupId"));

        // Default constructor
    }

    /**
     * Parses a robots.txt file from the given input stream using UTF-8 encoding.
     * @param stream the input stream to parse
     * @return the parsed RobotsTxt object, or null if disabled
     */
    public RobotsTxt parse(final InputStream stream) {
        return parse(stream, Constants.UTF_8);
    }

    /**

                final String name = parser.nextText();
                parser.nextTag();
                properties.put(name, parser.nextText());
            } else {
                final String value = parser.nextText();
                parser.nextTag();
                properties.put(parser.nextText(), value);
            }
            parser.nextTag();
        }
        return properties;
    }

    /**

/**
 * Service interface to parse {@link Version} and {@link VersionRange}.
 *
 * @since 4.0.0
 */
@Experimental
public interface VersionParser extends Service {

    /**
     * Parses the specified version string, for example "1.0".
     *
     * @param version the version string to parse, must not be {@code null}
     * @return the parsed version, never {@code null}

        factory.setNamespaceAware(true)
        DocumentBuilder builder = factory.newDocumentBuilder()
        def parsed = builder.parse(new InputSource(new StringReader(str))).documentElement
        return document ? document.importNode(parsed, true) : parsed
    }

    def formatTree(Closure cl) {
        withCategories {
            return formatTree(cl.call())
        }
    }

    def withCategories(Closure cl) {

     */
    @Nonnull
    Optional<Source> locate(@Nonnull Path dir);

    /**
     * Parse the model obtained previously by a previous call to {@link #locate(Path)}.
     *
     * @param source the source to parse, never {@code null}
     * @param options possible parsing options, may be {@code null}
     * @return the parsed {@link Model}, never {@code null}