import type { WorkDocumentModel, WorkDocumentNode } from './work-types';
import { type DocumentLazyHtmlProjection } from './work-document-lazy-html';
export declare const DOCUMENT_LAZY_BLOCK_NODE = "documentLazyBlock";
export declare const DOCUMENT_LAZY_INITIAL_CHUNK_COUNT = 2;
export declare const DOCUMENT_LAZY_POSITION_BOUNDARY = "\uFFFC";
export interface PreparedLazyDocumentEditorSource {
    lazyChunkCount: number;
    payloads: ReadonlyMap<string, readonly WorkDocumentNode[]>;
    root: WorkDocumentNode;
}
/**
 * Builds a compact editor-only projection for parser-authenticated plain DOCX
 * models. Every lazy leaf retains the exact node size and text offsets of its
 * complete subtree, while the canonical WorkDocumentModel remains untouched.
 */
export declare function prepareLazyDocumentEditorSource(model: WorkDocumentModel, allowCreate: boolean, html?: string): PreparedLazyDocumentEditorSource | null;
export declare function documentLazyHtmlProjection(model: WorkDocumentModel | null | undefined): DocumentLazyHtmlProjection | null;
export declare function invalidateDocumentLazyHtmlProjection(model: WorkDocumentModel | null | undefined): void;
export declare function documentLazyChunkContent(model: WorkDocumentModel | null | undefined, chunkId: string): readonly WorkDocumentNode[] | null;
/**
 * Replaces editor-only lazy blocks with their canonical structured payloads.
 * Hydrated leaves update the payload registry so subsequent remounts retain
 * user edits without forcing every untouched subtree through ProseMirror.
 */
export declare function materializeLazyDocumentEditorRoot(root: WorkDocumentNode, model: WorkDocumentModel | null | undefined): WorkDocumentNode;
/** Keeps the process-local lazy payload registry across controlled revisions. */
export declare function transferLazyDocumentModelState(previous: WorkDocumentModel | null | undefined, next: WorkDocumentModel): void;
export declare function documentNodeUsesLazyPayload(node: WorkDocumentNode): boolean;
export declare function simpleDocumentNodeSize(node: WorkDocumentNode): number | null;