import type { OfficeKernelLayoutBlock, OfficeKernelLayoutResult } from '../../kernel/office-kernel-protocol';
export interface PositionedOfficeKernelLayoutBlock {
    block: OfficeKernelLayoutBlock;
    from: number;
    to: number;
}
export interface IncrementalDocumentLayoutPlan {
    blocks: OfficeKernelLayoutBlock[];
    reusedPageCount: number;
    startBlockIndex: number;
    startPageIndex: number;
}
export declare function planIncrementalDocumentLayout(previous: {
    blocks: readonly PositionedOfficeKernelLayoutBlock[];
    layout: OfficeKernelLayoutResult;
} | null, next: readonly PositionedOfficeKernelLayoutBlock[], dirtyFrom: number, reusedPrefixBlockCount?: number): IncrementalDocumentLayoutPlan;
export declare function mergeIncrementalDocumentLayout(previous: OfficeKernelLayoutResult, partial: OfficeKernelLayoutResult): OfficeKernelLayoutResult;