/**
 * WebSocketApi - WebSocket Subscriptions
 *
 * Real-time subscriptions for accounts, slots, and transactions
 */
import type { LunaHeliusClient } from '../LunaHeliusClient';
export type SubscriptionCallback<T> = (data: T) => void;
export interface Subscription {
    id: number;
    unsubscribe: () => void;
}
export declare class WebSocketApi {
    private readonly client;
    private ws;
    private _subscriptionId;
    private subscriptions;
    private pendingRequests;
    private reconnectAttempts;
    private maxReconnectAttempts;
    private isConnecting;
    constructor(client: LunaHeliusClient);
    private getWsUrl;
    /** Connect to WebSocket */
    connect(): Promise<void>;
    private handleReconnect;
    /** Disconnect WebSocket */
    disconnect(): void;
    private subscribe;
    private unsubscribe;
    /** Subscribe to account changes */
    accountSubscribe(pubkey: string, callback: SubscriptionCallback<any>, options?: {
        commitment?: string;
        encoding?: string;
    }): Promise<Subscription>;
    /** Subscribe to logs */
    logsSubscribe(filter: 'all' | 'allWithVotes' | {
        mentions: string[];
    }, callback: SubscriptionCallback<any>, options?: {
        commitment?: string;
    }): Promise<Subscription>;
    /** Subscribe to program accounts */
    programSubscribe(programId: string, callback: SubscriptionCallback<any>, options?: {
        commitment?: string;
        encoding?: string;
        filters?: any[];
    }): Promise<Subscription>;
    /** Subscribe to signature status */
    signatureSubscribe(signature: string, callback: SubscriptionCallback<any>, options?: {
        commitment?: string;
    }): Promise<Subscription>;
    /** Subscribe to slot changes */
    slotSubscribe(callback: SubscriptionCallback<any>): Promise<Subscription>;
    /** Subscribe to root changes */
    rootSubscribe(callback: SubscriptionCallback<number>): Promise<Subscription>;
    /** Subscribe to slot updates */
    slotsUpdatesSubscribe(callback: SubscriptionCallback<any>): Promise<Subscription>;
    /** Subscribe to vote updates */
    voteSubscribe(callback: SubscriptionCallback<any>): Promise<Subscription>;
}
//# sourceMappingURL=WebSocketApi.d.ts.map