/**
 * Policy promotion and rollback.
 *
 * Promotion is explicitly gated: schema validation, dataset integrity,
 * baseline comparison, safety/correctness/flakiness gates, cost/latency policy,
 * and operator authorization. There is NO automatic promotion. The old policy is
 * always retained and the active-policy pointer is swapped atomically.
 */
import { type ActivePolicyPointer } from "./store.js";
import type { CandidateEvidence, RoutingPolicyCandidate } from "./types.js";
export interface PromotionGateInput {
    safetyFloor: number;
    correctnessFloor: number;
    flakinessCeiling: number;
    requiredScenarioPack: string;
    operatorAuthorized: boolean;
}
export interface PromotionGateResult {
    passed: boolean;
    reasonCodes: string[];
}
/** Validate the promotion gates for a candidate policy against its evidence. */
export declare function validatePromotionGates(policy: RoutingPolicyCandidate, evidenceById: Record<string, CandidateEvidence>, gates: PromotionGateInput): PromotionGateResult;
/** Promote a validated policy to be the active policy (explicit operator action). */
export declare function promotePolicy(policyId: string, authorizedBy: string, evidenceById: Record<string, CandidateEvidence>, gates: PromotionGateInput): {
    ok: boolean;
    pointer?: ActivePolicyPointer;
    error?: string;
    reasonCodes: string[];
};
/** Roll back to a previous policy. Idempotent; old policy retained. */
export declare function rollbackPolicy(policyId: string, authorizedBy: string): {
    ok: boolean;
    error?: string;
};
/** Compare two policies deterministically. */
export declare function comparePolicies(a: RoutingPolicyCandidate, b: RoutingPolicyCandidate): unknown;
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