/**
 * slowmo Dial API
 *
 * Simple vanilla JS API for adding the slowmo dial to any page.
 *
 * @example
 * import { setupDial, shutdownDial } from 'slowmo/dial';
 * setupDial();     // Fixed position, mounted to body, draggable
 * shutdownDial();  // Removes dial and cleans up
 */
/**
 * Set up the slowmo dial component.
 *
 * Creates a draggable dial fixed to the viewport that controls slowmo speed.
 * Only one dial can exist at a time (singleton pattern).
 *
 * @returns The dial element, or null if already set up
 */
export declare function setupDial(): HTMLElement | null;
/**
 * Remove the dial and clean up event listeners.
 */
export declare function shutdownDial(): void;
/**
 * Check if the dial is currently active.
 */
export declare function isDialActive(): boolean;