import type { CharterClarificationRequest } from "audit-tools/shared";
/**
 * The scalar VOI score of a question: blast radius (how far the answer ripples up
 * the goal DAG) plus the cascade count (how many other open deltas it settles).
 * Both are "uncertainty collapsed per answer" currencies, so they add. Kept as a
 * named function (not inlined) so phase-e can score a single request without
 * re-sorting a whole queue.
 */
export declare function voiScore(request: CharterClarificationRequest): number;
/**
 * Order clarification requests by descending VOI. Ties break deterministically by
 * `request_id` (content-derived, never input order — an incidentally-ordered queue
 * churns the artifact hash; see the extractor-ordering invariant in CLAUDE.md).
 * Returns a NEW array; the input is never mutated.
 */
export declare function voiQueue(requests: CharterClarificationRequest[]): CharterClarificationRequest[];
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