import { DesignSystem } from '@microsoft/fast-foundation';
/**
 * Provides a design system for the specified element either by returning one that was
 * already created for that element or creating one.
 * @param element - The element to root the design system at. By default, this is the body.
 * @returns A Fluent Design System
 * @public
 */
export declare function provideFluentDesignSystem(element?: HTMLElement): DesignSystem;