/**
 * Seedance VFX register — a PURE, deterministic physical-effects vocabulary.
 * No I/O, no Date, no Math.random.
 *
 * VFX prompts need material behavior, source, timing, and consequence: every
 * effect starts somewhere, interacts with light and objects, changes over time,
 * and ends in a visible state. Generic words (magical/explosive/cinematic)
 * become noisy overlays. Each effect here carries a PHYSICAL prompt-ready phrase
 * + a stability constraint; `vfxEffectLine` wraps it with the integration rules
 * (one hero effect, anchored to its source, respecting physics, resolving
 * forms -> travels -> dissipates to a visible endpoint).
 *
 * Core five harvested verbatim from the MIT `Emily2040/seedance-2.0` seedance-vfx
 * Effects Contract (@63b32dc); fire/water/explosion authored in the same register.
 */
export interface VfxEffect {
    id: string;
    label: string;
    /** The physical, prompt-ready phrase (source -> behavior -> endpoint). */
    phrase: string;
    /** The stability constraint that keeps the effect from corrupting the subject. */
    stability: string;
}
export declare const VFX_EFFECTS: Record<string, VfxEffect>;
export declare const VFX_EFFECT_IDS: string[];
/**
 * The effect contract line for `id`: the physical phrase + its stability
 * constraint + the standing integration rules. Throws on an unknown id (no
 * silent fallback).
 */
export declare function vfxEffectLine(id: string): string;
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