import { type PageReviewBudgetCoverage, type PageReviewCapturePlan, type PageReviewContextAllocation, type PageReviewRect, type PageReviewTileBudgetAllocation } from "./page-review-contracts.js";
export declare function validatePageReviewCapturePlan(value: unknown): PageReviewCapturePlan;
export declare function intervalUnion(rects: readonly PageReviewRect[]): Array<{
    start: number;
    end: number;
}>;
export declare function allocationCoverage(plan: PageReviewCapturePlan, selectedIds: readonly string[]): PageReviewBudgetCoverage;
/** Reserve edges, prioritize gate hits, then distribute by remaining height. */
export declare function allocateTileBudget(plans: PageReviewCapturePlan[], budget?: number, ceilings?: Record<string, number>): PageReviewTileBudgetAllocation;
/** Gate-hit annotations are planning results; geometry and page state are authoritative at capture. */
export declare function capturePlanDigest(plan: PageReviewCapturePlan): string;
export declare function validatePageReviewAllocation(value: unknown, current: PageReviewCapturePlan): PageReviewContextAllocation;
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