import type { DeviceAdapterEventMap, DeviceAdapterEvent, Unsubscribe } from './types.js';
type Listener<E extends DeviceAdapterEvent> = (payload: DeviceAdapterEventMap[E]) => void;
/**
 * A tiny, dependency-free typed event emitter used by adapter implementations.
 * Kept internal so implementations share consistent subscription semantics.
 */
export declare class TypedEventEmitter {
    private listeners;
    on<E extends DeviceAdapterEvent>(event: E, listener: Listener<E>): Unsubscribe;
    once<E extends DeviceAdapterEvent>(event: E, listener: Listener<E>): Unsubscribe;
    protected emit<E extends DeviceAdapterEvent>(event: E, payload: DeviceAdapterEventMap[E]): void;
    protected removeAllListeners(): void;
}
export {};