import { AtomicOperation, PointsAccountSnapshot, PointsAttributes } from '../types';
export type CollectPointsSnapshotsMode = 'pointsCreatesOnly' | 'pointsUpdatesOnly' | 'pointsCreatesOrUpdates';
/**
 * Collects per–POINTS-account snapshots from atomic operations.
 *
 * - `pointsAccounts`: unique by `accountId` (last occurrence in event order wins).
 * - `points` (legacy): sum of the last-seen balance for each unique account —
 *   providing a total across all loyalty schemes.
 */
export declare function collectPointsAccountSnapshotsFromAtomicOperations(atomicOperations: readonly AtomicOperation[], mode: CollectPointsSnapshotsMode): {
    pointsAccounts: PointsAccountSnapshot[];
    points?: PointsAttributes;
};
/**
 * Same data as {@link collectPointsAccountSnapshotsFromAtomicOperations}, shaped for
 * spreading into outbound event payloads (`pointsAccounts` / `points` only when set).
 */
export type PointsSnapshotEventFields = Partial<{
    pointsAccounts: PointsAccountSnapshot[];
    points: PointsAttributes;
}>;
export declare function pointsSnapshotFieldsForEvent(atomicOperations: readonly AtomicOperation[], mode: CollectPointsSnapshotsMode): PointsSnapshotEventFields;