import type { RealtimeChannel, ChannelOptions, EventSelector, RealtimeEvent } from '@synet/patterns/realtime';
import { ChannelState } from '@synet/patterns/realtime';
/**
 * GUN implementation of RealtimeChannel
 */
export declare class GunRealtimeChannel<TIn extends RealtimeEvent = RealtimeEvent, TOut extends RealtimeEvent = RealtimeEvent> implements RealtimeChannel<TIn, TOut> {
    private gunNode;
    readonly topic: string;
    private options;
    readonly id: `${string}-${string}-${string}-${string}-${string}`;
    private state;
    private eventHandlers;
    private unsubscribers;
    private recentlyProcessedEvents;
    /**
     * Create a new GUN channel
     * @param gunNode The GUN node to use for this channel
     * @param topic The topic this channel is subscribed to
     * @param options Channel configuration options
     */
    constructor(gunNode: any, topic: string, options?: ChannelOptions);
    /**
     * Get the current state of the channel
     */
    getState(): ChannelState;
    /**
     * Connect to the channel
     */
    connect(): Promise<void>;
    /**
     * Subscribe to events on this channel
     * @param selector Event selector (type or pattern)
     * @param handler Function to call when event is received
     */
    on<T extends TIn = TIn>(selector: EventSelector, handler: (event: T) => void): () => void;
    /**
     * Set up a GUN subscription for events matching the selector
     */
    private setupGunSubscription;
    /**
     * Convert GUN data to a RealtimeEvent, resolving any references
     */
    private gunDataToEvent;
    /**
     * Resolve a GUN reference to get the actual data
    */
    private resolveGunReference;
    /**
     * Notify handlers with an event that has resolved data
     */
    private notifyHandlersWithResolvedData;
    /**
     * Check if an event matches a selector
     */
    private eventMatchesSelector;
    /**
     * Send an event through this channel
     * @param event The event to send
     */
    emit(event: TOut): Promise<void>;
    /**
     * Recursively serialize Date objects to ISO strings to avoid GUN serialization issues
     */
    private serializeDates;
    /**
     * Close the channel
     */
    close(): Promise<void>;
}