String API_SEARCH_ACCEPT_REFERERS = "apiSearchAcceptReferers";

    String QUERY_GSA_RESPONSE_FIELDS = "queryGsaResponseFields";

    String THUMBNAIL_HTML_IMAGE_EXCLUDE_EXTENSIONS = "ThumbnailHtmlImageExcludeExtensions";

    String VIRTUAL_HOST_VALUE = "VirtualHostValue";

    String QUERY_DEFAULT_LANGUAGES = "queryDefaultLanguages";

    String HTML_PROXY = "httpProxy";