import { ElementRef } from '@angular/core';
/**
 * Scrolls smoothly to the top of the element with the given id.
 * @param id The id of the element to scroll to
 */
export declare const goToTop: (id: string) => void;
/**
 * Checks if the bottom of the given ElementRef is within the viewport.
 * Useful for determining if a form or element is fully visible.
 * @param elementRef The Angular ElementRef to check
 * @returns True if the element's bottom is at or above the window's bottom
 */
export declare const isAtEnd: (elementRef: ElementRef) => boolean;