import type { ParagraphChild } from 'docx';
import { type WorkDocumentContentControlProperties } from './work-document-content-control';
export interface DocxContentControlPatch {
    startMarker: string;
    endMarker: string;
    properties: WorkDocumentContentControlProperties;
}
export interface DocxContentControlMarkerRegistration {
    startMarker: string;
    endMarker: string;
}
/** Collects native content-control patches while the docx package is built. */
export declare class DocxContentControlPatchCollector {
    readonly patches: DocxContentControlPatch[];
    private nextMarker;
    register(properties: WorkDocumentContentControlProperties): DocxContentControlMarkerRegistration;
}
export declare function docxContentControlRuns(element: HTMLElement, docx: typeof import('docx'), collector: DocxContentControlPatchCollector, children: ParagraphChild[]): ParagraphChild[];
/**
 * Replaces generated marker runs with native inline `w:sdt` controls in every
 * Word story. The patcher is intentionally conservative: a marker pair must
 * be in one paragraph and may contain only generated runs.
 */
export declare function patchDocxContentControls(buffer: ArrayBuffer, patches: readonly DocxContentControlPatch[]): Promise<ArrayBuffer>;