import { OutputFormat, ProfanityOption, PropertyCollection, PropertyId, ServicePropertyChannel } from "./Exports";
/**
 * Speech configuration.
 * @class SpeechConfig
 */
export declare abstract class SpeechConfig {
    /**
     * Creates and initializes an instance.
     * @constructor
     */
    protected constructor();
    /**
     * Static instance of SpeechConfig returned by passing subscriptionKey and service region.
     * Note: Please use your LanguageUnderstanding subscription key in case you want to use the Intent recognizer.
     * @member SpeechConfig.fromSubscription
     * @function
     * @public
     * @param {string} subscriptionKey - The subscription key.
     * @param {string} region - The region name (see the <a href="https://aka.ms/csspeech/region">region page</a>).
     * @returns {SpeechConfig} The speech factory
     */
    static fromSubscription(subscriptionKey: string, region: string): SpeechConfig;
    /**
     * Creates an instance of the speech config with specified endpoint and subscription key.
     * This method is intended only for users who use a non-standard service endpoint or parameters.
     * Note: Please use your LanguageUnderstanding subscription key in case you want to use the Intent recognizer.
     * Note: The query parameters specified in the endpoint URL are not changed, even if they are set by any other APIs.
     * For example, if language is defined in the uri as query parameter "language=de-DE", and also set by
     *              SpeechConfig.speechRecognitionLanguage = "en-US", the language setting in uri takes precedence,
     *              and the effective language is "de-DE". Only the parameters that are not specified in the
     *              endpoint URL can be set by other APIs.
     * Note: To use authorization token with fromEndpoint, pass an empty string to the subscriptionKey in the
     *       fromEndpoint method, and then set authorizationToken="token" on the created SpeechConfig instance to
     *       use the authorization token.
     * @member SpeechConfig.fromEndpoint
     * @function
     * @public
     * @param {URL} endpoint - The service endpoint to connect to.
     * @param {string} subscriptionKey - The subscription key. If a subscription key is not specified, an authorization token must be set.
     * @returns {SpeechConfig} A speech factory instance.
     */
    static fromEndpoint(endpoint: URL, subscriptionKey?: string): SpeechConfig;
    /**
     * Creates an instance of the speech factory with specified initial authorization token and region.
     * Note: The caller needs to ensure that the authorization token is valid. Before the authorization token
     *       expires, the caller needs to refresh it by calling this setter with a new valid token.
     * Note: Please use a token derived from your LanguageUnderstanding subscription key in case you want
     *       to use the Intent recognizer. As configuration values are copied when creating a new recognizer,
     *       the new token value will not apply to recognizers that have already been created. For recognizers
     *       that have been created before, you need to set authorization token of the corresponding recognizer
     *       to refresh the token. Otherwise, the recognizers will encounter errors during recognition.
     * @member SpeechConfig.fromAuthorizationToken
     * @function
     * @public
     * @param {string} authorizationToken - The initial authorization token.
     * @param {string} region - The region name (see the <a href="https://aka.ms/csspeech/region">region page</a>).
     * @returns {SpeechConfig} A speech factory instance.
     */
    static fromAuthorizationToken(authorizationToken: string, region: string): SpeechConfig;
    /**
     * Sets the proxy configuration.
     * Only relevant in Node.js environments.
     * Added in version 1.4.0.
     * @param proxyHostName The host name of the proxy server.
     * @param proxyPort The port number of the proxy server.
     */
    abstract setProxy(proxyHostName: string, proxyPort: number): void;
    /**
     * Sets the proxy configuration.
     * Only relevant in Node.js environments.
     * Added in version 1.4.0.
     * @param proxyHostName The host name of the proxy server, without the protocol scheme (http://)
     * @param porxyPort The port number of the proxy server.
     * @param proxyUserName The user name of the proxy server.
     * @param proxyPassword The password of the proxy server.
     */
    abstract setProxy(proxyHostName: string, proxyPort: number, proxyUserName: string, proxyPassword: string): void;
    /**
     * Gets the authorization token.
     * @member SpeechConfig.prototype.authorizationToken
     * @function
     * @public
     */
    /**
    * Gets/Sets the authorization token.
    * Note: The caller needs to ensure that the authorization token is valid. Before the authorization token
    * expires, the caller needs to refresh it by calling this setter with a new valid token.
    * @member SpeechConfig.prototype.authorizationToken
    * @function
    * @public
    * @param {string} value - The authorization token.
    */
    abstract authorizationToken: string;
    /**
     * Returns the configured language.
     * @member SpeechConfig.prototype.speechRecognitionLanguage
     * @function
     * @public
     */
    /**
    * Gets/Sets the input language.
    * @member SpeechConfig.prototype.speechRecognitionLanguage
    * @function
    * @public
    * @param {string} value - The authorization token.
    */
    abstract speechRecognitionLanguage: string;
    /**
     * Sets an arbitrary property.
     * @member SpeechConfig.prototype.setProperty
     * @function
     * @public
     * @param {string} name - The name of the property to set.
     * @param {string} value - The new value of the property.
     */
    abstract setProperty(name: string, value: string): void;
    /**
     * Returns the current value of an arbitrary property.
     * @member SpeechConfig.prototype.getProperty
     * @function
     * @public
     * @param {string} name - The name of the property to query.
     * @param {string} def - The value to return in case the property is not known.
     * @returns {string} The current value, or provided default, of the given property.
     */
    abstract getProperty(name: string, def?: string): string;
    /**
     * Gets output format.
     * @member SpeechConfig.prototype.outputFormat
     * @function
     * @public
     * @returns {OutputFormat} Returns the output format.
     */
    /**
    * Gets/Sets the output format.
    * @member SpeechConfig.prototype.outputFormat
    * @function
    * @public
    */
    abstract outputFormat: OutputFormat;
    /**
     * Gets the endpoint ID of a customized speech model that is used for speech recognition.
     * @member SpeechConfig.prototype.endpointId
     * @function
     * @public
     * @return {string} The endpoint ID
     */
    /**
    * Gets/Sets the endpoint ID of a customized speech model that is used for speech recognition.
    * @member SpeechConfig.prototype.endpointId
    * @function
    * @public
    * @param {string} value - The endpoint ID
    */
    abstract endpointId: string;
    /**
     * Closes the configuration.
     * @member SpeechConfig.prototype.close
     * @function
     * @public
     */
    close(): void;
    /**
     * @member SpeechConfig.prototype.subscriptionKey
     * @function
     * @public
     * @return {SubscriptionKey} The subscription key set on the config.
     */
    abstract readonly subscriptionKey: string;
    /**
     * @member SpeechConfig.prototype.region
     * @function
     * @public
     * @return {region} The region set on the config.
     */
    abstract readonly region: string;
    /**
     * @member SpeechConfig.prototype.setServiceProperty
     * @function
     * @public
     * @param {name} The name of the property.
     * @param {value} Value to set.
     * @param {channel} The channel used to pass the specified property to service.
     * @summary Sets a property value that will be passed to service using the specified channel.
     * Added in version 1.7.0.
     */
    abstract setServiceProperty(name: string, value: string, channel: ServicePropertyChannel): void;
    /**
     * @member SpeechConfig.prototype.setProfanity
     * @function
     * @public
     * @param {profanity} Profanity option to set.
     * @summary Sets profanity option.
     * Added in version 1.7.0.
     */
    abstract setProfanity(profanity: ProfanityOption): void;
    /**
     * @member SpeechConfig.prototype.enableAudioLogging
     * @function
     * @public
     * @summary Enable audio logging in service.
     * Added in version 1.7.0.
     */
    abstract enableAudioLogging(): void;
    /**
     * @member SpeechConfig.prototype.requestWordLevelTimestamps
     * @function
     * @public
     * @summary Includes word-level timestamps.
     * Added in version 1.7.0.
     */
    abstract requestWordLevelTimestamps(): void;
    /**
     * @member SpeechConfig.prototype.enableDictation
     * @function
     * @public
     * @summary Enable dictation. Only supported in speech continuous recognition.
     * Added in version 1.7.0.
     */
    abstract enableDictation(): void;
}
/**
 * @public
 * @class SpeechConfigImpl
 */
export declare class SpeechConfigImpl extends SpeechConfig {
    private privProperties;
    constructor();
    readonly properties: PropertyCollection;
    readonly endPoint: URL;
    readonly subscriptionKey: string;
    readonly region: string;
    authorizationToken: string;
    speechRecognitionLanguage: string;
    outputFormat: OutputFormat;
    endpointId: string;
    setProperty(name: string | PropertyId, value: string): void;
    getProperty(name: string | PropertyId, def?: string): string;
    setProxy(proxyHostName: string, proxyPort: number): void;
    setProxy(proxyHostName: string, proxyPort: number, proxyUserName: string, proxyPassword: string): void;
    setServiceProperty(name: string, value: string, channel: ServicePropertyChannel): void;
    setProfanity(profanity: ProfanityOption): void;
    enableAudioLogging(): void;
    requestWordLevelTimestamps(): void;
    enableDictation(): void;
    clone(): SpeechConfigImpl;
}