import { CommandModule } from './types';
/**
 * Command to upgrade an existing diamond contract with new or modified facets.
 *
 * Usage:
 * ```bash
 * dopstick upgrade
 * ```
 *
 * Configuration:
 * Requires a valid dopstick.config.ts file with:
 * - Contract paths
 * - Upgrade specifications
 * - Module changes
 *
 * Environment Variables:
 * - `DIAMOND_ADDRESS`: Address of the diamond to upgrade
 * - `RPC_URL`: Network RPC URL
 *
 * Example:
 * ```bash
 * dopstick upgrade
 * ```
 *
 * Output:
 * - Displays upgrade progress
 * - Shows successful/failed function updates
 */
export declare const upgradeCommand: CommandModule;
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