import type { Slide, SlideTheme } from '../types/slides';
import { type PresetTheme } from '../configs/theme';
export declare const setSlideTheme: (slide: Slide, theme: PresetTheme, index?: number, sourceAccents?: readonly string[]) => void;
/** Shared by the design picker and agent command, with no store/history effects. */
export declare function applyDesignTheme(slides: readonly Slide[], currentTheme: SlideTheme, preset: PresetTheme): {
    slides: Slide[];
    theme: SlideTheme;
};