import type { WsLike } from '../agent/registry.js';
import type { ObserverWsLike } from '../ws/observer-registry.js';
/**
 * Create a mock WsLike with vi.fn() spies on send/close.
 * Used across agent registry, dispatcher, heartbeat, and WS handler tests.
 */
export declare function mockWs(): WsLike;
/**
 * Create a mock ObserverWsLike with vi.fn() spies on send/close.
 * Used by observer-registry tests.
 */
export declare function mockObserverWs(): ObserverWsLike;
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