import { type NetworkConfig, type NetworkNames } from '@aztec/foundation/config';
/**
 * Fetches remote network configuration from GitHub with caching support.
 * Uses the reusable cachedFetch utility. Falls back to metadata.aztec.network if the default URL fails.
 *
 * @param networkName - The network name to fetch config for
 * @param cacheDir - Optional cache directory for storing fetched config
 * @returns Remote configuration for the specified network, or undefined if network not found in config
 * @throws Error if both primary and fallback URLs fail to fetch
 */
export declare function getNetworkConfig(networkName: NetworkNames, cacheDir?: string): Promise<NetworkConfig | undefined>;
/**
 * Enriches environment variables with remote network configuration.
 * This function is called before node config initialization to set env vars
 * from the remote config.
 *
 * @param networkName - The network name to fetch remote config for
 * @throws Error if network config fetch fails (network errors, parse errors, etc.)
 * Does not throw if the network simply doesn't exist in the config - just returns without enriching
 */
export declare function enrichEnvironmentWithNetworkConfig(networkName: NetworkNames): Promise<void>;
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