import { Tab as FASTTab } from '@microsoft/fast-components';
/**
 * @tagname %%prefix%%-tab
 */
export declare class Tab extends FASTTab {
    /**
     * Draws sustained attention to the tab while background work is pending, for example
     * while a grid behind an inactive tab still holds rows awaiting action.
     *
     * The design system supplies the visuals, retintable per app with `--tab-alert-color`. The flash
     * samples a shared document-level clock, so every alerting surface — including grid rows — stays
     * in phase; retime them all together with `--alert-flash-duration` on `:root`. Motion is
     * suppressed under `prefers-reduced-motion`, which shows a static alert colour instead.
     *
     * @public
     */
    alert: boolean;
    protected alertChanged(): void;
}
export declare const foundationTabShadowOptions: ShadowRootInit;
export declare const defaultTabConfig: {};
/**
 * The Foundation Tab
 *
 * @public
 * @remarks
 * HTML Element: \<foundation-tab\>
 */
export declare const foundationTab: (overrideDefinition?: import("@microsoft/fast-foundation").OverrideFoundationElementDefinition<import("@microsoft/fast-foundation").FoundationElementDefinition>) => import("@microsoft/fast-foundation").FoundationElementRegistry<import("@microsoft/fast-foundation").FoundationElementDefinition, typeof Tab>;
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