import { CSSResultGroup, LitElement, PropertyValues, TemplateResult } from 'lit';

/**
 * A container that sticks to the bottom of the page if slotted into `sbb-container`.
 *
 * @slot - Use the unnamed slot to add content to the sticky bar.
 * @cssprop [--sbb-sticky-bar-padding-block=var(--sbb-spacing-responsive-xs)] - Block padding of the sticky bar.
 * @cssprop [--sbb-sticky-bar-bottom-overlapping-height=0px] - Define an additional area where
 * the sticky bar overlaps the following content on the bottom.
 * This area becomes visible when the sticky bar transitions from sticky to the normal document flow.
 * @cssprop [--sbb-sticky-bar-z-index] - To specify a custom stack order,
 * the `z-index` can be overridden by defining this CSS variable.
 */
export declare class SbbStickyBarElement extends LitElement {
    static styles: CSSResultGroup;
    /** Color of the container, like transparent, white etc. */
    color?: 'white' | 'milk';
    private _intersector?;
    private _observer;
    connectedCallback(): void;
    protected firstUpdated(changedProperties: PropertyValues<this>): void;
    private _toggleShadowVisibility;
    disconnectedCallback(): void;
    protected render(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        'sbb-sticky-bar': SbbStickyBarElement;
    }
}
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