import { LitElement } from 'lit';
export type WsTabsOrientation = 'horizontal' | 'vertical';
export type WsTabsVariant = 'standard' | 'contained';
/**
 * Workshop tabs for navigation or local view switching.
 *
 * Navigation tabs use `href`. Local panel tabs use `value` and pair with
 * `ws-tab-panel` children carrying the same value.
 *
 * @slot - One or more `ws-tab` elements.
 * @slot panel - `ws-tab-panel` children managed by this tab group.
 * @csspart tabs - The tablist container.
 * @csspart indicator - The animated active-tab indicator.
 */
export declare class WsTabs extends LitElement {
    static styles: import("lit").CSSResult;
    /** Accessible label forwarded to the internal tablist. */
    accessibleLabel?: string;
    /** Visual treatment for the tab group. */
    variant: WsTabsVariant;
    /** Visual and accessibility orientation for the tab list. */
    orientation: WsTabsOrientation;
    /** Selected value for local panel tabs. */
    value: string;
    private tabsElement?;
    private indicatorElement?;
    private slotElement?;
    private panelSlotElement?;
    private hasMeasuredIndicator;
    private indicatorAnimation?;
    private indicatorUpdateFrame;
    private lastIndicatorGeometry?;
    private pendingIndicatorGeometry?;
    private lastSelectedTab;
    private syncingValue;
    private readonly mutationObserver;
    private readonly resizeObserver;
    connectedCallback(): void;
    disconnectedCallback(): void;
    firstUpdated(): void;
    updated(changedProperties: Map<string, unknown>): void;
    render(): import("lit-html").TemplateResult<1>;
    private cancelIndicatorAnimation;
    private animateIndicator;
    private parseDuration;
    private readonly handleResize;
    private schedulePassiveIndicatorUpdate;
    private scheduleIndicatorUpdate;
    private readonly updateIndicator;
    private applyIndicatorGeometry;
    private measureRenderedIndicatorGeometry;
    private captureIndicatorAnimationGeometry;
    private measureIndicatorGeometry;
    private get selectedTab();
    private get tabs();
    private get panels();
    private initializeSelection;
    private applyValueSelection;
    private syncValueFromSelectedTab;
    private setValueWithoutReselecting;
    private syncPanels;
    private observeTabs;
    private handleSlotChange;
    private handlePanelSlotChange;
    private selectClickedTab;
    private handleKeydown;
    private selectTab;
}
declare global {
    interface HTMLElementTagNameMap {
        'ws-tabs': WsTabs;
    }
}
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