/**
 * Redis Utility Functions
 *
 * Serialization helpers for converting between JavaScript objects and Redis Hash fields.
 */
/**
 * Debug logger for redis-world.
 * Enable with WORKFLOW_DEBUG=redis or WORKFLOW_DEBUG=1
 */
export declare const debug: (...args: unknown[]) => void;
/**
 * Encodes a value using CBOR and returns a base64 string with prefix.
 * CBOR preserves Date, undefined, Map, Set, BigInt types automatically.
 */
export declare function toCbor(value: unknown): string;
/**
 * Decodes a CBOR-encoded string (with prefix) back to original value.
 * Returns undefined if the input is null/undefined or not CBOR-encoded.
 */
export declare function fromCbor<T>(value: string | null | undefined): T | undefined;
/**
 * Serializes a JavaScript object for Redis Hash storage.
 * - Date objects are converted to ISO strings
 * - Objects/arrays are CBOR encoded (preserves nested Date types)
 * - undefined values are skipped
 * - null values are stored as empty string
 */
export declare function serializeForRedis(obj: Record<string, unknown>): Record<string, string>;
/**
 * Deserializes Redis Hash fields back to a JavaScript object.
 * - CBOR-prefixed strings are decoded with full type preservation
 * - ISO date strings in known date fields are converted to Date objects
 * - Empty strings become undefined
 * - Boolean strings are converted to booleans
 * - Numeric strings are converted to numbers (except for ID fields)
 */
export declare function deserializeFromRedis<T = Record<string, unknown>>(data: Record<string, string> | null): T | null;
/**
 * Converts a ULID to a numeric score for sorted set operations.
 * ULIDs encode time in the first 10 characters (48-bit timestamp).
 */
export declare function ulidToScore(ulid: string): number;
/**
 * Creates a key prefix function for consistent key naming.
 */
export declare function createKeyPrefix(prefix: string): (parts: string[]) => string;
/**
 * Deep clones an object using structuredClone.
 * Required because the workflow core may mutate returned objects.
 */
export declare function deepClone<T>(obj: T): T;
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