import { URI } from "../core";
import { SessionDescriptionHandlerFactory } from "./session-description-handler-factory";
import { Transport } from "./transport";
import { UserAgentDelegate } from "./user-agent-delegate";
/**
 * Log level.
 * @public
 */
export declare type LogLevel = "debug" | "log" | "warn" | "error";
/**
 * Log connector function.
 * @public
 */
export declare type LogConnector = (level: LogLevel, category: string, label: string | undefined, content: string) => void;
/**
 * SIP extension support level.
 * @public
 */
export declare enum SIPExtension {
    Required = "Required",
    Supported = "Supported",
    Unsupported = "Unsupported"
}
/**
 * Options for {@link UserAgent} constructor.
 * @public
 */
export interface UserAgentOptions {
    /**
     * If `true`, the user agent will accept out of dialog NOTIFY.
     * @remarks
     * RFC 6665 obsoletes the use of out of dialog NOTIFY from RFC 3265.
     * @defaultValue `false`
     */
    allowLegacyNotifications?: boolean;
    /**
     * If `true`, the user agent will accept out of dialog REFER.
     * @defaultValue `false`
     */
    allowOutOfDialogRefers?: boolean;
    /**
     * Authorization password.
     * @defaultValue `""`
     */
    authorizationPassword?: string;
    /**
     * Authorization username.
     * @defaultValue `""`
     */
    authorizationUsername?: string;
    /**
     * @deprecated
     * If `true`, the user agent calls the `start()` method in the constructor.
     * @defaultValue `false`
     * @remarks
     * The call to start() resolves when the user agent connects, so if this
     * option is set to `true` an alternative method of connection detection
     * must be used.
     */
    autoStart?: boolean;
    /**
     * If `true`, the user agent calls the `stop()` method on unload (if running in browser window).
     * @defaultValue `true`
     */
    autoStop?: boolean;
    /**
     * Delegate for {@link UserAgent}.
     * @defaultValue `{}`
     */
    delegate?: UserAgentDelegate;
    /**
     * The display name associated with the user agent.
     * @remarks
     * Descriptive name to be shown to the called party when calling or sending IM messages
     * (the display name portion of the From header).
     * It must NOT be enclosed between double quotes even if the given name contains multi-byte symbols
     * (SIPjs will always enclose the `displayName` value between double quotes).
     * @defaultValue `""`
     */
    displayName?: string;
    /**
     * Force adding rport to Via header.
     * @defaultValue `false`
     */
    forceRport?: boolean;
    /**
     * Hack
     * @deprecated TBD
     */
    hackIpInContact?: boolean | string;
    /**
     * Hack
     * @deprecated TBD
     */
    hackAllowUnregisteredOptionTags?: boolean;
    /**
     * Hack
     * @deprecated TBD
     */
    hackViaTcp?: boolean;
    /**
     * Hack
     * @deprecated TBD
     */
    hackWssInTransport?: boolean;
    /**
     * Indicates whether log messages should be written to the browser console.
     * @defaultValue `true`
     */
    logBuiltinEnabled?: boolean;
    /**
     * If true, constructor logs the user agent configuration.
     * @defaultValue `true`
     */
    logConfiguration?: boolean;
    /**
     * A function which will be called every time a log is generated.
     * @defaultValue A noop
     */
    logConnector?: LogConnector;
    /**
     * Indicates the verbosity level of the log messages.
     * @defaultValue `"log"`
     */
    logLevel?: LogLevel;
    /**
     * Number of seconds after which an incoming call is rejected if not answered.
     * @defaultValue 60
     */
    noAnswerTimeout?: number;
    /**
     * Adds a Route header(s) to outgoing requests.
     * @defaultValue `[]`
     */
    preloadedRouteSet?: Array<string>;
    /**
     * @deprecated
     * Maximum number of times to attempt to reconnect when the transport connection drops.
     * @defaultValue 0
     */
    reconnectionAttempts?: number;
    /**
     * @deprecated
     * Seconds to wait between reconnection attempts when the transport connection drops.
     * @defaultValue 4
     */
    reconnectionDelay?: number;
    /**
     * A factory for generating `SessionDescriptionHandler` instances.
     * @remarks
     * The factory will be passed a `Session` object for the current session
     * and the `sessionDescriptionHandlerFactoryOptions` object.
     * @defaultValue `Web.SessionDescriptionHandler.defaultFactory`
     */
    sessionDescriptionHandlerFactory?: SessionDescriptionHandlerFactory;
    /**
     * Options to passed to `sessionDescriptionHandlerFactory`.
     * @remarks
     * See `Web.SessionDescriptionHandlerOptions` for details.
     * @defaultValue `{}`
     */
    sessionDescriptionHandlerFactoryOptions?: object;
    /**
     * Reliable provisional responses.
     * https://tools.ietf.org/html/rfc3262
     * @defaultValue `SIPExtension.Unsupported`
     */
    sipExtension100rel?: SIPExtension;
    /**
     * Replaces header.
     * https://tools.ietf.org/html/rfc3891
     * @defaultValue `SIPExtension.Unsupported`
     */
    sipExtensionReplaces?: SIPExtension;
    /**
     * Extra option tags to claim support for.
     * @remarks
     * Setting an extra option tag does not enable support for the associated extension
     * it simply adds the tag to the list of supported options.
     * See {@link UserAgentRegisteredOptionTags} for valid option tags.
     * @defaultValue `[]`
     */
    sipExtensionExtraSupported?: Array<string>;
    /**
     * An id uniquely identify this user agent instance.
     * @defaultValue
     * A random id generated by default.
     */
    sipjsId?: string;
    /**
     * A constructor function for the user agent's `Transport`.
     * @remarks
     * For more information about creating your own transport see `Transport`.
     * @defaultValue `WebSocketTransport`
     */
    transportConstructor?: new (logger: any, options: any) => Transport;
    /**
     * An options bucket object passed to `transportConstructor` when instantiated.
     * @remarks
     * See WebSocket Transport Configuration Parameters for the full list of options for the default transport.
     * @defaultValue `{}`
     */
    transportOptions?: any;
    /**
     * SIP Addresses-of-Record URI associated with the user agent.
     * @remarks
     * This is a SIP address given to you by your provider.
     * If the user agent registers, it is the address-of-record which the user agent registers a contact for.
     * An address-of-record represents an identity of the user, generally a long-term identity,
     * and it does not have a dependency on any device; users can move between devices or even
     * be associated with multiple devices at one time while retaining the same address-of-record.
     * A simple URI, generally of the form `sip:egdar@example.com`, is used for an address-of-record.
     * @defaultValue
     * By default, URI is set to `sip:anonymous.X@anonymous.invalid`, where X is a random token generated for each UA.
     */
    uri?: URI;
    /**
     * User agent string used in the UserAgent header.
     * @defaultValue
     * A reasonable value is utilized.
     */
    userAgentString?: string;
    /**
     * Hostname to use in Via header.
     * @defaultValue
     * A random hostname in the .invalid domain.
     */
    viaHost?: string;
}
/**
 * SIP Option Tags
 * @remarks
 * http://www.iana.org/assignments/sip-parameters/sip-parameters.xhtml#sip-parameters-4
 * @public
 */
export declare const UserAgentRegisteredOptionTags: {
    [option: string]: boolean;
};
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