import type { RealtimeProvider, RealtimeChannel, RealtimeProviderOptions, RealtimeEvent } from "@synet/patterns/realtime";
import type { NatsOptions } from "./nats-types";
/**
 * NATS-based implementation of RealtimeProvider
 */
export declare class NatsRealtimeProvider implements RealtimeProvider {
    readonly baseUrl: string;
    private options;
    private channels;
    constructor(baseUrl: string, options?: RealtimeProviderOptions<NatsOptions>);
    /**
     * Create a channel for the specified topic
     */
    createChannel<TIn extends RealtimeEvent = RealtimeEvent, TOut extends RealtimeEvent = RealtimeEvent>(topic: string, options?: RealtimeProviderOptions<NatsOptions>): RealtimeChannel<TIn, TOut>;
    /**
     * Remove a channel
     */
    removeChannel(channel: RealtimeChannel): Promise<void>;
    /**
     * Get all active channels
     */
    getChannels(): RealtimeChannel[];
    /**
     * Close all channels and clean up resources
     */
    disconnect(): Promise<void>;
    /**
     * Create a NATS URL with topic as query parameter
     */
    private getNatsUrl;
}