import { ConfigParamsCloud } from "./common-types";
import { DeviceImpl } from "./device";
export declare function initSdk(appId: string, configParam?: ConfigParamsCloud): Promise<YLSdkImpl>;
export declare namespace YLSdkImplCallbacks {
    type attach = (device: DeviceImpl) => void;
    type detach = (device: DeviceImpl) => void;
    type firstScanDone = () => void;
}
export declare type YLSdkImplEvents = 'attach' | 'detach' | 'firstScanDone';
export declare const ylEventsList: YLSdkImplEvents[];
export declare class YLSdkImpl {
    private readonly eventEmitter;
    private readonly deviceList;
    private readonly promiseFirceScanDone;
    readonly appId?: string;
    constructor(appId: string, configParam: ConfigParamsCloud, resolve: (value: YLSdkImpl) => void, reject: (msg: Error) => void);
    /**
     * The user must call this function when finished using the wrapper. Otherwise
     * the node process will not shutdown properly.
     *
     * @param {boolean} shutdownServer Optional parameter only applicable to electronrendererhelper,
     * where it cause API server shutdown if set. Can safely be ignored otherwise.
     * @returns {Promise<void, YealinkError>} - Resolve `void` if successful otherwise Reject with `error`.
     */
    disposeAsync(shutdownServer?: boolean): Promise<void>;
    firseScanForDeviceDoneAsync(): Promise<void>;
    getAttachedDevice(deviceId: number): DeviceImpl | undefined;
    getAttachedDevices(): DeviceImpl[];
    /**
     * Integrates softphone app to Yealink applications like Yealink USB Connect(YUC).
     * @param {string} guid Client unique ID.
     * @param {string} softphoneName Name of the application to be shown in YUC.
     * @returns {Promise<boolean, YealinkError>} - Resolve `boolean` if successful otherwise Reject with `error`.
     * - Returns `true` if softphone app integrates to Yealink application, `false` otherwise.
     */
    connectToYealinkApplicationAsync(guid: string, softphoneName: string): Promise<boolean>;
    /**
     * Disconnects connected from Yealink applications.
     * @returns {Promise<void, YealinkError>} - Resolve `void` if successful otherwise Reject with `error`.
     */
    disconnectFromYealinkApplicationAsync(): Promise<void>;
    /**
     * Sets the softphone to Ready. Currently applicable for only Yealink USB Connect(YUC).
     * @param {boolean} isReady Sets the softphone readiness state.
     * @returns {Promise<void, YealinkError>} - Resolve `void` if successful otherwise Reject with `error`.
     */
    setSoftphoneReadyAsync(isReady: boolean): Promise<void>;
    /**
     * Indicates whether the softphone is in focus.
     * @returns {Promise<boolean, YealinkError>} - Resolve `boolean` if successful otherwise Reject with `error`.
     * - Returns `true` if softphone is in focus, `false` otherwise.
     */
    isSoftphoneInFocusAsync(): Promise<boolean>;
    /**
     * Get the SDK version.
     * @returns {Promise<string, YealinkError>} - Resolve SDK version `string` if successful otherwise Reject with `error`.
     */
    getSDKVersionAsync(): Promise<string>;
    RegEvent(event: 'firstScanDone', listener: YLSdkImplCallbacks.firstScanDone): this;
    RegEvent(event: 'attach', listener: YLSdkImplCallbacks.attach): this;
    RegEvent(event: 'detach', listener: YLSdkImplCallbacks.detach): this;
    UnregEvent(event: 'firstScanDone', listenser: YLSdkImplCallbacks.firstScanDone): this;
    UnregEvent(event: 'attach', listenser: YLSdkImplCallbacks.attach): this;
    UnregEvent(event: 'detach', listenser: YLSdkImplCallbacks.detach): this;
}