export interface DeploymentPath {
    env: string;
    chain: string;
}
export interface DeploymentOptions {
    basePath?: string;
    env: string;
}
/**
 * Resolve deployment path from network name and env.
 * @param network - hardhat network name (e.g. "Bsc", "Mapo_test", "Tron")
 * @param env - deployment environment: "prod", "main", "test"
 * @returns { env, chain } for deploy.json lookup
 */
export declare function resolveDeploymentPath(network: string, env: string): DeploymentPath;
/**
 * Read a deployed contract address from deploy.json.
 * @param network - hardhat network name
 * @param key - contract key (e.g. "Gateway", "Authority")
 * @param opts - optional basePath and env overrides
 */
export declare function getDeploymentByKey(network: string, key: string, opts: DeploymentOptions): Promise<string>;
/**
 * Check if a contract address exists and is valid in deploy.json.
 * @param network - hardhat network name
 * @param key - contract key
 * @param opts - optional basePath and env overrides
 */
export declare function hasDeployment(network: string, key: string, opts: DeploymentOptions): Promise<boolean>;
/**
 * Save a deployed contract address to deploy.json.
 * @param network - hardhat network name
 * @param key - contract key (e.g. "Gateway")
 * @param addr - deployed address
 * @param opts - optional basePath and env overrides
 */
export declare function saveDeployment(network: string, key: string, addr: string, opts: DeploymentOptions): Promise<void>;