import { SyncChunk } from '../../sdk/WalletStorage.interfaces';
import { EntityTimeStamp } from '../../sdk/types';
/**
 * Shared entity-validation helpers used by both client-side storage remoting
 * (StorageClientBase / StorageMobile) and the server-side StorageServer.
 *
 * These helpers normalise records returned from remote calls or database queries:
 *   - Coerce date strings / timestamps to `Date` objects.
 *   - Replace `null` values with `undefined`.
 *   - Replace `Uint8Array` / `Buffer` values with plain `number[]` arrays.
 */
export declare function validateDate(date: Date | string | number): Date;
/**
 * Force uniform behaviour across database engines.
 * Use to process all individual records with timestamps retrieved from database.
 */
export declare function validateEntity<T extends EntityTimeStamp>(entity: T, dateFields?: string[]): T;
/**
 * Force uniform behaviour across database engines.
 * Use to process all arrays of records with timestamps retrieved from database.
 * @returns input `entities` array with contained values validated.
 */
export declare function validateEntities<T extends EntityTimeStamp>(entities: T[], dateFields?: string[]): T[];
/**
 * Validate all entity arrays within a `SyncChunk` received from a remote storage call.
 * Normalises timestamps, nulls, and binary fields in-place.
 */
export declare function validateSyncChunkEntities(r: SyncChunk): SyncChunk;
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