import type { RPCManager } from './rpc-manager';
export interface ConnectionManagerOptions {
    url: string;
}
export declare class ConnectionManager {
    private _rpcManager;
    private _options;
    private _socket?;
    constructor(rpcManager: RPCManager, options: ConnectionManagerOptions);
    onClose?(event: CloseEvent): void;
    openConnection(): Promise<void>;
    closeConnection(): void;
}