/**
 * Snapshot Approval Workflow — Interactive review and approval of snapshot changes.
 *
 * @example
 * ```bash
 * agentprobe snapshot update   # Update all snapshots
 * agentprobe snapshot review   # Interactive review of changes
 * agentprobe snapshot approve test-name  # Approve specific snapshot
 * agentprobe snapshot reject test-name   # Reject and keep old
 * ```
 */
import type { BehaviorSnapshot } from './snapshots';
export type SnapshotStatus = 'pending' | 'approved' | 'rejected';
export interface SnapshotRecord {
    testName: string;
    status: SnapshotStatus;
    current: BehaviorSnapshot | null;
    proposed: BehaviorSnapshot;
    diff: SnapshotFieldDiff[];
    reviewedAt?: string;
    reviewedBy?: string;
}
export interface SnapshotFieldDiff {
    field: string;
    oldValue: any;
    newValue: any;
}
export interface ApprovalState {
    snapshotDir: string;
    records: SnapshotRecord[];
}
export interface ApprovalSummary {
    total: number;
    pending: number;
    approved: number;
    rejected: number;
}
/** Load approval state from disk. */
export declare function loadApprovalState(snapshotDir: string): ApprovalState;
/** Save approval state to disk. */
export declare function saveApprovalState(state: ApprovalState): void;
/** Compute diff between two snapshots. */
export declare function diffSnapshots(current: BehaviorSnapshot | null, proposed: BehaviorSnapshot): SnapshotFieldDiff[];
/** Submit a proposed snapshot for review. */
export declare function submitForReview(state: ApprovalState, testName: string, current: BehaviorSnapshot | null, proposed: BehaviorSnapshot): SnapshotRecord;
/** Approve a specific snapshot by test name. */
export declare function approveSnapshot(state: ApprovalState, testName: string, reviewer?: string): boolean;
/** Reject a specific snapshot by test name. */
export declare function rejectSnapshot(state: ApprovalState, testName: string, reviewer?: string): boolean;
/** Get summary of approval state. */
export declare function getApprovalSummary(state: ApprovalState): ApprovalSummary;
/** Get all pending reviews. */
export declare function getPendingReviews(state: ApprovalState): SnapshotRecord[];
/** Format approval state for console output. */
export declare function formatApprovalState(state: ApprovalState): string;
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