/**
 * Define an interface for objects that (like the WebDriver instance) can take screen shots
 */
interface ScreenshotTaker {
    takeScreenshot(): Promise<string>;
}
/**
 * The ScreenshotManager interface
 */
interface ScreenshotManager {
    /**
     * This function will set screenshot location based on test suite name and test name
     * @param suiteName test case's suite name
     * @param testName test case's name
     */
    beforeTest(suiteName: string, testName: string): void;
    /**
     * This function will do cleanup after test execution. It will puerge screenshot for passed test and generate final state
     * screenshot for failed test
     * @param passed boolean to check test state
     */
    afterTest(passed: boolean): void;
    /**
     * This function will take screenshot and save it on the file system
     * @param screenshotTaker an screenshotTaker instance
     * @param name screenshot image name
     * @return a promise
     * @example await screenshotManager.takeAndSaveScreenShot(driver, "before_click");
     */
    takeAndSaveScreenShot(screenshotTaker: ScreenshotTaker, name: string): Promise<void>;
}
/**
 * This function will create an instance ScreenshotManager
 * @param screenshotRoot screenshot root location
 */
export declare function create(screenshotRoot: string): ScreenshotManager;
/**
 * This function will get an active ScreenshotManager instance
 * @return an active ScreenshotManager instance
 */
export declare function get(): ScreenshotManager;
/**
 * This function will set an active ScreenshotManager instance
 * @param screenshotManager an active ScreenshotManager instance
 */
export declare function set(screenshotManager: ScreenshotManager): void;
export {};