*/
public class QueryStringBuilder {

    private static final String OR_ALT = " || ";

    private static final String OR = " OR ";

    private static final String SPACE = " ";

    private SearchRequestParams params;

    private boolean escape = false;

    private String sortField;

    /**
     * Default constructor for QueryStringBuilder.

	</component>
	<component name="themeHelper" class="org.codelibs.fess.helper.ThemeHelper">
	</component>
	<component name="queryStringBuilder" class="org.codelibs.fess.util.QueryStringBuilder" instance="prototype">
	</component>
	<component name="queryParser" class="org.codelibs.fess.query.parser.QueryParser">
	</component>

    private static final String LANGUAGE_HELPER = "languageHelper";

    private static final String CURL_HELPER = "curlHelper";

    private static final String QUERY_STRING_BUILDER = "queryStringBuilder";

    private static final String ACCESS_TOKEN_HELPER = "accessTokenHelper";

    private static final String AUTHENTICATION_MANAGER = "authenticationManager";