import type { SiteConfig } from '../types.ts';
export declare const MOTION_EFFECTS: readonly ["entrance", "stagger", "drift", "progress", "story", "count", "text", "sequence", "draw"];
export type MotionEffect = typeof MOTION_EFFECTS[number];
export type MotionTarget = {
    id: string;
    effect: MotionEffect;
    trigger: string;
};
/** One contract after flattening, so native HTML and both authoring modes agree. */
export declare function prepareMotion(html: string, site: SiteConfig): {
    html: string;
    targets: MotionTarget[];
    usesMotion: boolean;
};