import { FocusTrap } from "@a11y/focus-trap";
import { TemplateResult } from "lit-element";
import { Backdrop } from "../backdrop/backdrop";
import { IOverlayBehaviorBaseProperties, IOverlayBehaviorProperties, OverlayBehavior } from "../behavior/overlay/overlay-behavior";
import { AriaRole } from "../util/aria";
/**
 * Base properties of the snackbar. These base properties are used when showing a snackbar.
 */
export interface ISnackbarBaseProperties extends IOverlayBehaviorBaseProperties {
    hideDelay: number;
}
/**
 * Properties of the snackbar.
 */
export interface ISnackbarProperties extends ISnackbarBaseProperties, IOverlayBehaviorProperties {
    role: AriaRole;
}
/**
 * Configuration used when showing a snackbar.
 */
export interface ISnackbarConfig extends Partial<ISnackbarBaseProperties> {
}
/**
 * Default configuration when showing a snackbar.
 */
export declare const defaultSnackbarConfig: ISnackbarConfig;
/**
 * Provide brief messages at the bottom of the screen.
 * @slot icon - Icon content.
 * @slot action - Action content (you can have multiple slots named action).
 * @slot - Default content.
 * @cssprop --snackbar-fixed-padding - Padding of the container when fixed
 * @cssprop --snackbar-icon-margin - Margin of the icon slot
 * @cssprop --snackbar-border-radius - Border radius
 * @cssprop --snackbar-padding - Padding
 * @cssprop --snackbar-content-padding - Padding of the content slot
 * @cssprop --snackbar-icon-color - Color of the icon slot
 * @cssprop --snackbar-elevation - Box shadow
 * @cssprop --snackbar-color - Color
 * @cssprop --snackbar-bg - Background
 */
export declare class Snackbar<R = unknown> extends OverlayBehavior<R, Partial<ISnackbarProperties>> implements ISnackbarProperties {
    static styles: import("lit-element").CSSResult[];
    /**
     * Role of the snackbar.
     * @attr
     */
    role: AriaRole;
    /**
     * Time in ms before the snackbar is hidden automatically.
     * @attr
     */
    hideDelay: number;
    /**
     * Backdrop element.
     */
    protected $backdrop: Backdrop;
    /**
     * Snackbar element.
     */
    protected $snackbar: FocusTrap;
    /**
     * Focus trap element.
     */
    protected get $focusTrap(): FocusTrap;
    /**
     * Timeout that automatically hides the snackbar.
     */
    protected autoHideTimeout: number | null;
    /**
     * Animates the snackbar in.
     */
    protected animateIn(): void;
    /**
     * Animates the snackbar out.
     * @param result
     */
    protected animateOut(result?: R): void;
    /**
     * When the snackbar shows we start a timeout that hides it.
     */
    didShow(): void;
    /**
     * Returns the template of the element.
     */
    protected render(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        "wl-snackbar": Snackbar;
    }
}