/**
 * Module for the configuration of MQTT5 clients to connect to AWS IoT
 *
 * @packageDocumentation
 */
import * as mqtt5 from "./mqtt5";
import * as mqtt5_packet from "../common/mqtt5_packet";
import * as auth from "./auth";
import * as iot_shared from "../common/aws_iot_shared";
export { MqttConnectCustomAuthConfig } from '../common/aws_iot_shared';
/**
 * Websocket-specific MQTT5 connection AWS IoT configuration options
 *
 * @category IoT
 */
export interface WebsocketSigv4Config {
    /**
     * Sources the AWS Credentials used to sign the websocket connection handshake.  If not provided, the
     * default credentials provider chain is used.
     */
    credentialsProvider: auth.CredentialsProvider;
    /**
     * AWS region the websocket connection is being established in.  Must match the region embedded in the
     * endpoint.  If not provided, pattern-matching logic is used to extract the region from the endpoint.
     * Use this option if the pattern-matching logic has not yet been updated to handle new endpoint formats.
     */
    region?: string;
}
/**
 * Builder pattern class to create an {@link mqtt5.Mqtt5ClientConfig} which can then be used to create
 * an {@link mqtt5.Mqtt5Client}, configured for use with AWS IoT.
 *
 * [MQTT5 Client User Guide](https://www.github.com/awslabs/aws-crt-nodejs/blob/main/MQTT5-UserGuide.md)
 *
 * @category IoT
 */
export declare class AwsIotMqtt5ClientConfigBuilder {
    private static DEFAULT_WEBSOCKET_MQTT_PORT;
    private static DEFAULT_KEEP_ALIVE;
    private config;
    private customAuthConfig?;
    private constructor();
    /**
     * Create a new MQTT5 client builder that will create MQTT5 clients that connect to AWS IoT Core via websockets,
     * using AWS Sigv4 signing to establish authenticate.
     *
     * @param hostName - AWS IoT endpoint to connect to
     * @param sigv4Config - additional sigv4-oriented options to use
     */
    static newWebsocketMqttBuilderWithSigv4Auth(hostName: string, sigv4Config: WebsocketSigv4Config): AwsIotMqtt5ClientConfigBuilder;
    /**
     * Create a new MQTT5 client builder  that will create MQTT5 clients that connect to AWS IoT Core via websockets,
     * authenticating via a custom authenticator.
     *
     * @param hostName - AWS IoT endpoint to connect to
     * @param customAuthConfig - AWS IoT custom auth configuration
     */
    static newWebsocketMqttBuilderWithCustomAuth(hostName: string, customAuthConfig: iot_shared.MqttConnectCustomAuthConfig): AwsIotMqtt5ClientConfigBuilder;
    /**
     * Overrides the port to connect to on the IoT endpoint
     *
     * @param port The port to connect to on the IoT endpoint. Usually 8883 for MQTT, or 443 for websockets
     */
    withPort(port: number): AwsIotMqtt5ClientConfigBuilder;
    /**
     * Overrides all configurable options with respect to the CONNECT packet sent by the client, including the will.
     * These connect properties will be used for every connection attempt made by the client.  Custom authentication
     * configuration will override the username and password values in this configuration.
     *
     * @param connectPacket all configurable options with respect to the CONNECT packet sent by the client
     */
    withConnectProperties(connectPacket: mqtt5_packet.ConnectPacket): AwsIotMqtt5ClientConfigBuilder;
    /**
     * Overrides how the MQTT5 client should behave with respect to MQTT sessions.
     *
     * @param sessionBehavior how the MQTT5 client should behave with respect to MQTT sessions.
     */
    withSessionBehavior(sessionBehavior: mqtt5.ClientSessionBehavior): AwsIotMqtt5ClientConfigBuilder;
    /**
     * Overrides how the reconnect delay is modified in order to smooth out the distribution of reconnection attempt
     * timepoints for a large set of reconnecting clients.
     *
     * @param retryJitterMode controls how the reconnect delay is modified in order to smooth out the distribution of
     * econnection attempt timepoints for a large set of reconnecting clients.
     */
    withRetryJitterMode(retryJitterMode: mqtt5.RetryJitterType): AwsIotMqtt5ClientConfigBuilder;
    /**
     * Overrides the minimum amount of time to wait to reconnect after a disconnect.  Exponential backoff is performed
     * with controllable jitter after each connection failure.
     *
     * @param minReconnectDelayMs minimum amount of time to wait to reconnect after a disconnect.
     */
    withMinReconnectDelayMs(minReconnectDelayMs: number): AwsIotMqtt5ClientConfigBuilder;
    /**
     * Overrides the maximum amount of time to wait to reconnect after a disconnect.  Exponential backoff is performed
     * with controllable jitter after each connection failure.
     *
     * @param maxReconnectDelayMs maximum amount of time to wait to reconnect after a disconnect.
     */
    withMaxReconnectDelayMs(maxReconnectDelayMs: number): AwsIotMqtt5ClientConfigBuilder;
    /**
     * Overrides the amount of time that must elapse with an established connection before the reconnect delay is
     * reset to the minimum.  This helps alleviate bandwidth-waste in fast reconnect cycles due to permission
     * failures on operations.
     *
     * @param minConnectedTimeToResetReconnectDelayMs the amount of time that must elapse with an established
     * connection before the reconnect delay is reset to the minimum
     */
    withMinConnectedTimeToResetReconnectDelayMs(minConnectedTimeToResetReconnectDelayMs: number): AwsIotMqtt5ClientConfigBuilder;
    /**
     * Overrides the overall time interval to wait to establish an MQTT connection.  If a complete MQTT connection
     * (from socket establishment all the way up to CONNACK receipt) has not been established before this timeout
     * expires, the connection attempt will be considered a failure.
     *
     * @param connectTimeoutMs overall time interval to wait to establish an MQTT connection
     */
    withConnectTimeoutMs(connectTimeoutMs: number): AwsIotMqtt5ClientConfigBuilder;
    /**
     * Sets the opaque options set passed through to the underlying websocket implementation regardless of url factory.
     * Use this to control proxy settings amongst other things.
     *
     * @param options websocket transport options
     */
    withWebsocketTransportOptions(options: any): AwsIotMqtt5ClientConfigBuilder;
    /**
     * Constructs an MQTT5 Client configuration object for creating mqtt5 clients.
     */
    build(): mqtt5.Mqtt5ClientConfig;
}