import { MockedEndpoint, Headers } from "../../types";
import type { WebSocketRuleData } from "./websocket-rule";
import { PassThroughWebSocketStepOptions } from './websocket-step-definitions';
import { BaseRuleBuilder } from "../base-rule-builder";
/**
 * @class WebSocketRuleBuilder

 * A builder for defining websocket mock rules. Create one using
 * `.forAnyWebSocket(path)` on a Mockttp instance, then call whatever
 * methods you'd like here to define more precise matching behaviour,
 * control how the connection is handled, and how many times this
 * rule should be applied.
 *
 * When you're done, call a `.thenX()` method to register the configured rule
 * with the server. These return a promise for a MockedEndpoint, which can be
 * used to verify the details of the requests matched by the rule.
 *
 * This returns a promise because rule registration can be asynchronous,
 * either when using a remote server or testing in the browser. Wait for the
 * promise returned by `.thenX()` methods to guarantee that the rule has taken
 * effect before sending requests to it.
 */
export declare class WebSocketRuleBuilder extends BaseRuleBuilder {
    private addRule;
    /**
     * Mock rule builders should be constructed through the Mockttp instance you're
     * using, not directly. You shouldn't ever need to call this constructor.
     */
    constructor(path: string | RegExp | undefined, addRule: (rule: WebSocketRuleData) => Promise<MockedEndpoint>);
    private steps;
    /**
     * Add a delay (in milliseconds) before the next step in the rule
     */
    delay(ms: number): this;
    /**
     * Pass matched websockets through to their real destination. This works
     * for proxied requests only, and direct requests will be rejected with
     * an error.
     *
     * This method takes options to configure how the request is passed
     * through. See {@link PassThroughWebSocketStepOptions} for the full
     * details of the options available.
     *
     * Calling this method registers the rule with the server, so it
     * starts to handle requests.
     *
     * This method returns a promise that resolves with a mocked endpoint.
     * Wait for the promise to confirm that the rule has taken effect
     * before sending requests to be matched. The mocked endpoint
     * can be used to assert on the requests matched by this rule.
     *
     * @category Responses
     */
    thenPassThrough(options?: PassThroughWebSocketStepOptions): Promise<MockedEndpoint>;
    /**
     * Forward matched websockets on to the specified forwardToUrl. The url
     * specified must not include a path or an error will be thrown.
     * The path portion of the original request url is used instead.
     *
     * The url may optionally contain a protocol. If it does, it will override
     * the protocol (and potentially the port, if unspecified) of the request.
     * If no protocol is specified, the protocol (and potentially the port)
     * of the original request URL will be used instead.
     *
     * This method takes options to configure how the request is passed
     * through. See {@link PassThroughWebSocketStepOptions} for the full
     * details of the options available.
     *
     * Calling this method registers the rule with the server, so it
     * starts to handle requests.
     *
     * This method returns a promise that resolves with a mocked endpoint.
     * Wait for the promise to confirm that the rule has taken effect
     * before sending requests to be matched. The mocked endpoint
     * can be used to assert on the requests matched by this rule.
     *
     * @category Responses
     */
    thenForwardTo(target: string, options?: PassThroughWebSocketStepOptions): Promise<MockedEndpoint>;
    /**
     * Accept incoming WebSocket connections, and echo every message
     * received on the WebSocket back to the client.
     *
     * Calling this method registers the rule with the server, so it
     * starts to handle requests.
     *
     * This method returns a promise that resolves with a mocked endpoint.
     * Wait for the promise to confirm that the rule has taken effect
     * before sending requests to be matched. The mocked endpoint
     * can be used to assert on the requests matched by this rule.
     *
     * @category Responses
     */
    thenEcho(): Promise<MockedEndpoint>;
    /**
     * Accept incoming WebSocket connections, and simply listen to
     * incoming messages without ever sending anything in return.
     *
     * Calling this method registers the rule with the server, so it
     * starts to handle requests.
     *
     * This method returns a promise that resolves with a mocked endpoint.
     * Wait for the promise to confirm that the rule has taken effect
     * before sending requests to be matched. The mocked endpoint
     * can be used to assert on the requests matched by this rule.
     *
     * @category Responses
     */
    thenPassivelyListen(): Promise<MockedEndpoint>;
    /**
     * Rejects connections, sending an HTTP response with the given
     * status, message and body, to explicitly refuse the WebSocket
     * handshake.
     *
     * Calling this method registers the rule with the server, so it
     * starts to handle requests.
     *
     * This method returns a promise that resolves with a mocked endpoint.
     * Wait for the promise to confirm that the rule has taken effect
     * before sending requests to be matched. The mocked endpoint
     * can be used to assert on the requests matched by this rule.
     *
     * @category Responses
     */
    thenRejectConnection(statusCode: number, statusMessage?: string, headers?: Headers, body?: Buffer | string): Promise<MockedEndpoint>;
    /**
     * Close connections that match this rule immediately, without accepting
     * the socket or sending any other response.
     *
     * Calling this method registers the rule with the server, so it
     * starts to handle requests.
     *
     * This method returns a promise that resolves with a mocked endpoint.
     * Wait for the promise to confirm that the rule has taken effect
     * before sending requests to be matched. The mocked endpoint
     * can be used to assert on the requests matched by this rule.
     *
     * @category Responses
     */
    thenCloseConnection(): Promise<MockedEndpoint>;
    /**
     * Reset connections that match this rule immediately, sending a TCP
     * RST packet directly, without accepting the socket or sending any
     * other response, and without cleanly closing the TCP connection.
     *
     * This is only supported in Node.js versions (>=16.17, >=18.3.0, or
     * later), where `net.Socket` includes the `resetAndDestroy` method.
     *
     * Calling this method registers the rule with the server, so it
     * starts to handle requests.
     *
     * This method returns a promise that resolves with a mocked endpoint.
     * Wait for the promise to confirm that the rule has taken effect
     * before sending requests to be matched. The mocked endpoint
     * can be used to assert on the requests matched by this rule.
     *
     * @category Responses
     */
    thenResetConnection(): Promise<MockedEndpoint>;
    /**
     * Hold open connections that match this rule, but never respond
     * with anything at all, typically causing a timeout on the client side.
     *
     * Calling this method registers the rule with the server, so it
     * starts to handle requests.
     *
     * This method returns a promise that resolves with a mocked endpoint.
     * Wait for the promise to confirm that the rule has taken effect
     * before sending requests to be matched. The mocked endpoint
     * can be used to assert on the requests matched by this rule.
     *
     * @category Responses
     */
    thenTimeout(): Promise<MockedEndpoint>;
}
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