docs: public String getBrowserBasedAuthenticationMechanism() {
  
          if (m_useBrowserBasedHttpAuthentication) {
              return AUTHENTICATION_BASIC;
          } else if (m_browserBasedAuthenticationMechanism != null) {
              return m_browserBasedAuthenticationMechanism;
          } else if (m_formBasedHttpAuthenticationUri != null) {
              return AUTHENTICATION_FORM;
          } else {
              return null;
          }
      }