import { ElementRef } from '@angular/core';
export declare class Loading {
    elementRef: ElementRef;
    title: string;
    /**
     * set to `false` to stop the loading animation
     */
    isActive: boolean;
    /**
     * Specify the size of the button
     */
    size: 'normal' | 'sm';
    /**
     * Set to `true` to make loader with an overlay.
     */
    overlay: boolean;
    constructor(elementRef: ElementRef);
}