logger,
            performanceClient,
            correlationId
        )(iframe);
    });
}

/**
 * @hidden
 * Loads iframe with authorization endpoint URL
 * @ignore
 * @deprecated
 */
function loadFrame(
    urlNavigate: string,
    navigateFrameWait: number,
    performanceClient: IPerformanceClient,
    correlationId: string
): Promise<HTMLIFrameElement> {
    performanceClient.addQueueMeasurement(
        PerformanceEvents.SilentHandlerLoadFrame,
        correlationId
    );

    /*
     * This trick overcomes iframe navigation in IE
     * IE does not load the page consistently in iframe
     */

    return new Promise((resolve, reject) => {
        const frameHandle = createHiddenIframe();

        window.setTimeout(() => {
            if (!frameHandle) {
                reject("Unable to load iframe");
                return;
            }

            frameHandle.src = urlNavigate;

            resolve(frameHandle);
        }, navigateFrameWait);
    });
}
/**
 * @hidden
 * Loads the iframe synchronously when the navigateTimeFrame is set to `0`
 * @param urlNavigate
 * @param frameName
 * @param logger
 */
function loadFrameSync(urlNavigate: string): HTMLIFrameElement {
    const frameHandle = createHiddenIframe();

    frameHandle.src = urlNavigate;

    return frameHandle;
}

/**
 * @hidden
 * Creates a new hidden iframe or gets an existing one for silent token renewal.
 * @ignore
 */
function createHiddenIframe(): HTMLIFrameElement {
    const authFrame = document.createElement("iframe");

    authFrame.style.visibility = "hidden";
    authFrame.style.position = "absolute";
    authFrame.style.width = authFrame.style.height = "0";
    authFrame.style.border = "0";
    authFrame.setAttribute(
        "sandbox",
        "allow-scripts allow-same-origin allow-forms"
    );
    document.body.appendChild(authFrame);

    return authFrame;
}

/**
 * @hidden
 * Removes a hidden iframe from the page.
 * @ignore
 */
function removeHiddenIframe(iframe: HTMLIFrameElement): void {
    if (document.body === iframe.parentNode) {
        document.body.removeChild(iframe);
    }
}