import { PptxSection } from 'pptx-viewer-core';
import { EditorState } from './editor-state.svelte';
/** History-aware section CRUD and grouping for the Svelte editor. */
export declare class EditorSectionController {
    private readonly editor;
    constructor(editor: EditorState);
    get groups(): import('pptx-viewer-shared').SectionSlideGroup<PptxSection>[];
    add(name: string, afterSlideIndex?: number): string | null;
    rename(sectionId: string, name: string): void;
    delete(sectionId: string): void;
    moveUp(sectionId: string): void;
    moveDown(sectionId: string): void;
    moveSlides(slideIndexes: number[], targetSectionId: string): void;
    toggle(sectionId: string): void;
    private commit;
}
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