import { AfterViewInit } from '@angular/core';
import { ItAbstractComponent } from '../../../abstracts/abstract.component';
import * as i0 from "@angular/core";
import * as i1 from "../../../utils/coercion";
export declare class ItBackToTopComponent extends ItAbstractComponent implements AfterViewInit {
    /**
     * Aria label for the component
     * @default 'Torna su'
     */
    ariaLabel: string;
    /**
     * Show small button
     * @default false
     */
    small?: boolean;
    /**
     * Show shadow
     * @default false
     */
    shadow?: boolean;
    /**
     * Button usable button on a dark background
     * @default false
     */
    dark?: boolean;
    private backToTop?;
    private backToTopElement?;
    ngAfterViewInit(): void;
    /**
     * Show button
     */
    show(): void;
    /**
     * Hide the button
     */
    hide(): void;
    /**
     * Activates the scroll animation towards the Y coordinate indicated by the positionTop option
     */
    scrollToTop(): void;
    /**
     * Eliminate component features
     */
    dispose(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ItBackToTopComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ItBackToTopComponent, "it-back-to-top", ["itBackToTop"], { "ariaLabel": { "alias": "ariaLabel"; "required": false; }; "small": { "alias": "small"; "required": false; }; "shadow": { "alias": "shadow"; "required": false; }; "dark": { "alias": "dark"; "required": false; }; }, {}, never, never, true, never>;
    static ngAcceptInputType_small: i1.BooleanInput;
    static ngAcceptInputType_shadow: i1.BooleanInput;
    static ngAcceptInputType_dark: i1.BooleanInput;
}