/**
 * Sort column class
 */
export declare class Tab {
    /**
       * Switch to tab specified by the tabIndex number
       *
       * ```js
       * Tab.switchToTab(2)
       *```
       *
       * @param {number} tabIndex Tab index to switchto
       */
    static switchToTab(tabIndex: number): Promise<void>;
    /**
     * Method id used to open a new tab
     */
    static openNewTab(): Promise<void>;
    /**
     * Method is used to switch to next tab
     */
    static switchToNextTab(): Promise<void>;
    /**
       * Close the current active tab
       *
       * ```js
       * Tab.closeCurrentTab();
       *```
       */
    static closeCurrentTab(): Promise<void>;
    /**
       * Close All inactive tab
       *
       * ```js
       * Tab.closeCurrentTab();
       *```
       */
    static closeInactiveTab(): Promise<void>;
    /**
      * Switch to main tab
      *
      * ```js
      * Tab.switchToMainTab()
      *```
      *
      */
    static switchToMainTab(): Promise<void>;
    /**
       * Switch to specific tab from main tab
       *
       * ```js
       * Tab.switchFromMainTabUsingTitle("Google")
       *```
       * @param{String} tabTitle
       *
       */
    static switchFromMainTabUsingTitle(tabTitle: string): Promise<void>;
    /**
       * Grab number of open tabs. Returns Promise <number > number of open tabs
       *
       * ```js
       * Tab.grabNumberOfOpenTabs();
       *```
       */
    static grabNumberOfOpenTabs(): Promise<any>;
}