declare namespace Surveys {
    /**
     * Sets whether auto surveys showing are enabled or not.
     * @param autoShowingSurveysEnabled  a boolean for whether to auto show a survey.
     * @param success callback on function success.
     * @param error callback on function error.
     */
    const setAutoShowingEnabled: (autoShowingSurveysEnabled: boolean, success?: () => void, error?: ((err: any) => void) | undefined) => void;
    /**
     * Sets whether surveys are enabled or not.
     * If you disable surveys on the SDK but still have active surveys on your Instabug dashboard,
     * those surveys are still going to be sent to the device, but are not going to be
     * shown automatically.
     * To manually display any available surveys, call `Instabug.showSurveyIfAvailable()`.
     * Defaults to `true`.
     * @param isEnabled a boolean to enable or disable the feature.
     * @param success callback on function success.
     * @param error callback on function error.
     */
    const setEnabled: (isEnabled: boolean, success?: () => void, error?: ((err: any) => void) | undefined) => void;
    /**
     * Shows one of the surveys that were not shown before, that also have conditions
     * that match the current device/user.
     * Does nothing if there are no available surveys or if a survey has already been shown
     * in the current session.
     * @param success callback on function success.
     * @param error callback on function error.
     */
    const showSurveyIfAvailable: (success?: () => void, error?: ((err: any) => void) | undefined) => void;
    /**
     * Sets a block of code to be executed just before the survey's UI is presented.
     * This block is executed on the UI thread. Could be used for performing any UI changes before
     * the survey's UI is shown.
     * @param success callback on function success.
     * @param error callback on function error.
     */
    const setOnShowHandler: (success: () => void, error?: ((err: any) => void) | undefined) => void;
    /**
     * Sets a block of code to be executed right after the survey's UI is dismissed.
     * This block is executed on the UI thread. Could be used for performing any UI
     * changes after the survey's UI is dismissed.
     * @param success callback on function success.
     * @param error callback on function error.
     */
    const setOnDismissHandler: (success: () => void, error?: ((err: any) => void) | undefined) => void;
    /**
     * Shows survey with a specific token.
     * Does nothing if there are no available surveys with that specific token.
     * Answered and cancelled surveys won't show up again.
     * @param surveyToken a string with a survey token.
     * @param success callback on function success.
     * @param error callback on function error.
     */
    const showSurveyWithToken: (surveyToken: string, success?: () => void, error?: ((err: any) => void) | undefined) => void;
    /**
     * Returns true if the survey with a specific token was answered before.
     * Will return false if the token does not exist or if the survey was not answered before.
     * @param surveyToken a string with a survey token.
     * @param success callback on function success.
     * @param error callback on function error.
     */
    const hasRespondedToSurveyWithToken: (surveyToken: string, success: (hasResponded: boolean) => void, error?: ((err: any) => void) | undefined) => void;
    /**
     * Returns an array containing the available surveys.
     * @param success callback on function success.
     * @param error callback on function error.
     */
    const getAvailableSurveys: (success: (availableSurveys: string[]) => void, error?: ((err: any) => void) | undefined) => void;
    /**
     * Setting an option for all the surveys to show a welcome screen before
     * the user starts taking the survey.
     * @param shouldShowWelcomeScreen  a boolean to control whether the welcome screen should show.
     * @param success callback on function success.
     * @param error callback on function error.
     */
    const setShouldShowSurveysWelcomeScreen: (shouldShowWelcomeScreen: boolean, success?: () => void, error?: ((err: any) => void) | undefined) => void;
}
export = Surveys;