/**
 * Live paint for fill / gradient / opacity. Same contract as applyLiveSize:
 * write the canvas DOM during the gesture. Do not go through the store until
 * pointerup — a store write rebuilds the preview raster and the canvas list.
 */
import type { Gradient } from '../types/slides';
export declare const liveGradientId: (elementId: string, source?: string) => string;
export declare const liveGradientTransform: (rotate: number) => string;
/** Single writer for SVG gradient stops. React must not also own these children. */
export declare const syncGradientDef: (def: Element, gradient: Pick<Gradient, 'colors' | 'rotate'>) => void;
export declare const applyLiveGradient: (elementId: string, gradient: Gradient, source?: string) => boolean;
export declare const applyLiveBackgroundGradient: (gradient: Gradient) => boolean;
export declare const readPaintedGradientRotate: (elementId: string, source?: string) => number | null;