/**
 * Page scroll lock for BootstrapSheet.
 *
 * When a sheet presents modally, page scrolling is disabled. On pages with a
 * visible scrollbar this would cause a layout shift, so the scrollbar width is
 * compensated with an equivalent body padding.
 *
 * The lock is shared by all sheets: it is applied when the first sheet takes
 * it and released only when the last one lets go, in any order. Releasing
 * restores the inline styles the body had before, rather than clearing them.
 */
export default class ScrollBarHelper {
    #private;
    /**
     * @param owner - Sheet element that holds the lock
     */
    constructor(owner: HTMLElement);
    /**
     * Take the page lock, applying it if no other sheet holds it
     */
    hide(): void;
    /**
     * Release the page lock, restoring the page if no other sheet holds it
     */
    reset(): void;
}
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