/**
 * Agent discovery via dynamic import for swaig-test CLI.
 *
 * Tries multiple strategies to find an AgentBase instance:
 * 1. Named export `agent`
 * 2. Default export
 * 3. Any exported AgentBase instance (duck-typed)
 * 4. Any exported AgentBase subclass (instantiated)
 */
/**
 * Dynamically import an agent file and resolve an AgentBase instance using duck-typing heuristics.
 * @param agentPath - Path to the agent module file.
 * @param agentClass - Optional name of a specific exported class or instance to use.
 * @returns The resolved AgentBase instance.
 */
export declare function loadAgent(agentPath: string, agentClass?: string): Promise<unknown>;
/**
 * List all exported agent instances and classes in a module.
 * @param agentPath - Path to the agent module file.
 * @returns Array of export names that are AgentBase instances or subclasses.
 */
export declare function listAgents(agentPath: string): Promise<string[]>;