import { FetchAPI } from "./ocra/api";
import { MediaStreamFactory } from "./rtc/MediaStreamFactory";
import { SinchClient } from "./SinchClient";
/**
 * The SinchClientBuilder class builds a new SinchClient instance.
 *
 * To construct a SinchClient, the required configuration parameters are:
 *
 *  - Application Key
 *  - Environment host
 *  - UserID
 *
 * It is optional to specify:
 *
 *  - CLI (Calling-Line Identifier / Caller-ID) that will be used for calls
 *    terminated to PSTN (Publicly Switched Telephone Network).
 *  - hmsDeviceToken & hmsApplicationId if Huawei Push is to be used.
 */
export interface SinchClientBuilder {
    /**
     * Sets the user id associated with the SinchClient.
     * @param userId - Must not be null.
     * @returns The SinchClientBuilder instance.
     */
    userId(userId: string): SinchClientBuilder;
    /**
     * Sets the application key associated with the SinchClient.
     * @param applicationKey - Must not be null.
     * @returns The SinchClientBuilder instance.
     */
    applicationKey(applicationKey: string): SinchClientBuilder;
    /**
     * Sets the environment host associated with the SinchClient.
     * @param environmentHost - Must not be null.
     * @returns The SinchClientBuilder instance.
     */
    environmentHost(environmentHost: string): SinchClientBuilder;
    /**
     * Sets the caller identifier used when calling with PSTN.
     * @param callerIdentifier - Optional, must not be null
     * @returns The SinchClientBuilder instance.
     */
    callerIdentifier(callerIdentifier: string): SinchClientBuilder;
    /**
     * Sets the fetch api to be used by rest request. If not set the standard
     * FetchApi will be used.
     * @param api - Optional, must not be null
     * @returns The SinchClientBuilder instance.
     */
    fetchApi(api: FetchAPI): SinchClientBuilder;
    /**
     * Overide internal creation of the local MediaStream.
     * @param mediaStreamFactory - MediaStream factory
     * @returns The SinchClientBuilder instance.
     */
    mediaStreamFactory(mediaStreamFactory: MediaStreamFactory): SinchClientBuilder;
    /**
     * @deprecated Use {@link CallClient.setVideoTrackConstraints} instead.
     * Overide internal creation of the local MediaStream.
     * @param videoConfiguration - constraints for video
     * @returns The SinchClientBuilder instance.
     */
    videoConfiguration(videoConfiguration: MediaTrackConstraints): SinchClientBuilder;
    /**
     * Creates the resulting SinchClient.
     * @returns A new SinchClient instance.
     */
    build(): SinchClient;
}