/**
 * Shared test helpers for device factory tests.
 */
import { AnsiLogger } from 'matterbridge/logger';
import type { Device, Feature } from 'iotas-ts';
import type { DeviceFactoryContext, EndpointResult } from '../../src/devices/types.js';
export declare function makeLog(): AnsiLogger;
/**
 * Suppress console output while running a function.
 * Matterbridge logs warnings when calling setAttribute on inactive endpoints
 * (expected in unit tests where endpoints aren't registered).
 */
export declare function suppressLogs(fn: () => void): void;
/** Assert result is non-null and return it. */
export declare function assertResult(result: EndpointResult | null): EndpointResult;
export declare function assertResults(results: EndpointResult[], expectedCount: number): EndpointResult[];
export declare function makeCtx(overrides?: Partial<DeviceFactoryContext>): DeviceFactoryContext;
export declare function makeFeature(overrides?: Partial<Feature>): Feature;
export declare function makeDevice(overrides?: Partial<Device>): Device;