import type { Config } from './core/synapse/index.js';
/**
 * Create configuration from environment variables
 *
 * This demonstrates configuration best practices for Synapse SDK:
 * - PRIVATE_KEY: Required for transaction signing (keep secure!)
 * - RPC_URL: Filecoin network endpoint (mainnet or calibration) - takes precedence over NETWORK
 * - NETWORK: Filecoin network name (mainnet or calibration) - used if RPC_URL not set
 * - WARM_STORAGE_ADDRESS: Optional override for testing custom contracts
 */
export declare function createConfig(): Config;
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