/**
 * Redis Storage Implementation
 *
 * This file implements the Storage interface using Redis data structures:
 * - Runs: Hash for document, Sorted Sets for indexes
 * - Steps: Hash with composite key, Sorted Set index by runId
 * - Events: Sorted Set with ULID scores for ordering
 * - Hooks: Hash with token lookup key
 */
import type { Storage } from '@workflow/world';
import type { Redis } from 'ioredis';
/**
 * Configuration for Redis storage.
 */
export interface RedisStorageConfig {
    /**
     * Key prefix for all Redis keys.
     * Default: 'workflow'
     */
    keyPrefix?: string;
}
/**
 * Creates the Storage implementation for Redis.
 */
export declare function createStorage(options: {
    redis: Redis;
    config?: RedisStorageConfig;
}): Promise<{
    storage: Storage;
}>;
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