import { Principal } from '@dfinity/principal';
import { HttpAgent, SignIdentity } from '@dfinity/agent';
import { WsAgentRequest, WsAgentRequestTransformFn } from './types';
export interface WsAgentOptions {
    source?: WsAgent;
    ws: WebSocket;
    httpAgent: HttpAgent;
    identity: SignIdentity | Promise<SignIdentity>;
    /**
     * Prevents the agent from providing a unique {@link Nonce} with each call.
     * Enabling may cause rate limiting of identical requests
     * at the boundary nodes.
     *
     * To add your own nonce generation logic, you can use the following:
     * @example
     * import {makeNonceTransform, makeNonce} from '@dfinity/agent';
     * const agent = new HttpAgent({ disableNonce: true });
     * agent.addTransform(makeNonceTransform(makeNonce);
     * @default false
     */
    disableNonce?: boolean;
    /**
     * Number of times to retry requests before throwing an error
     * @default 3
     */
    retryTimes?: number;
}
export declare class WsAgent {
    private readonly _pipeline;
    private _identity;
    private readonly _ws;
    private _timeDiffMsecs;
    private _httpAgent;
    private readonly _retryTimes;
    readonly _isAgent = true;
    constructor(options: WsAgentOptions);
    addTransform(fn: WsAgentRequestTransformFn, priority?: number): void;
    getPrincipal(): Promise<Principal>;
    call(canisterId: Principal | string, options: {
        methodName: string;
        arg: ArrayBuffer;
        effectiveCanisterId?: Principal | string;
    }): Promise<void>;
    /**
     * Sends a fire-and-forget request body to the WebSocket Gateway.
     * If the request fails, the request
     */
    private _requestAndRetry;
    /**
     * Allows agent to sync its time with the network. Can be called during intialization or mid-lifecycle if the device's clock has drifted away from the network time. This is necessary to set the Expiry for a request
     * @param {Principal} canisterId - Pass a canister ID if you need to sync the time with a particular replica. Uses the management canister by default
     */
    syncTime(canisterId?: Principal): Promise<void>;
    replaceIdentity(identity: SignIdentity): void;
    protected _transform(request: WsAgentRequest): Promise<WsAgentRequest>;
}