/*
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

/**
 * @file Defines the DRM capability.
 * @kit DrmKit
 */

/**
 * This module provides the DRM capability to multimedia player.
 * @namespace drm
 * @syscap SystemCapability.Multimedia.Drm.Core
 * @since 11
 */
/**
 * This module provides the DRM capability to multimedia player.
 * @namespace drm
 * @syscap SystemCapability.Multimedia.Drm.Core
 * @atomicservice
 * @since 12
 */
declare namespace drm {
/**
 * Enumerates drm error code.
 * @enum { number }
 * @syscap SystemCapability.Multimedia.Drm.Core
 * @since 11
 */
/**
 * Enumerates drm error code.
 * @enum { number }
 * @syscap SystemCapability.Multimedia.Drm.Core
 * @atomicservice
 * @since 14
 */
  enum DrmErrorCode {
    /**
     * All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    ERROR_UNKNOWN = 24700101,
    /**
     * Meet max MediaKeySystem num limit.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Meet max MediaKeySystem num limit.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    MAX_SYSTEM_NUM_REACHED = 24700103,
    /**
     * Meet max MediaKeySession num limit.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Meet max MediaKeySession num limit.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    MAX_SESSION_NUM_REACHED = 24700104,
    /**
     * Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    SERVICE_FATAL_ERROR = 24700201
  }

  /**
   * Enumerates which config name we can get.
   * @enum { string }
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Enumerates which config name we can get.
   * @enum { string }
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  enum PreDefinedConfigName {
    /**
     * Config name vendor
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Config name vendor
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    CONFIG_DEVICE_VENDOR = 'vendor',
    /**
     * Config name version
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Config name version
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    CONFIG_DEVICE_VERSION = 'version',
    /**
     * Config name description
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Config name description
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    CONFIG_DEVICE_DESCRIPTION = 'description',
    /**
     * Config name algorithms
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Config name algorithms
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    CONFIG_DEVICE_ALGORITHMS = 'algorithms',
    /**
     * Config name deviceUniqueId
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Config name deviceUniqueId
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    CONFIG_DEVICE_UNIQUE_ID = 'deviceUniqueId',
    /**
     * Config name maxSessionNum
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Config name maxSessionNum
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    CONFIG_SESSION_MAX = 'maxSessionNum',
    /**
     * Config name currentSessionNum
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
        /**
     * Config name currentSessionNum
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    CONFIG_SESSION_CURRENT = 'currentSessionNum',
  }

  /**
   * Enumerates media key type.
   * @enum { number }
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Enumerates media key type.
   * @enum { number }
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  enum MediaKeyType {
    /**
     * Offline media key type.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Offline media key type.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    MEDIA_KEY_TYPE_OFFLINE = 0,
    /**
     * Online media key type.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Online media key type.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    MEDIA_KEY_TYPE_ONLINE,
  }

  /**
   * Enumerates offline media key status.
   * @enum { number }
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Enumerates offline media key status.
   * @enum { number }
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  enum OfflineMediaKeyStatus {
    /**
     * Offline media key status unknown.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Offline media key status unknown.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    OFFLINE_MEDIA_KEY_STATUS_UNKNOWN = 0,
    /**
     * Offline media key status usable.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Offline media key status usable.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    OFFLINE_MEDIA_KEY_STATUS_USABLE = 1,
    /**
     * Offline media key status inactive.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Offline media key status inactive.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    OFFLINE_MEDIA_KEY_STATUS_INACTIVE = 2,
  }

  /**
   * Enumerates certificate status.
   * @enum { number }
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Enumerates certificate status.
   * @enum { number }
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  enum CertificateStatus {
    /**
     * Device already provisioned.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Device already provisioned.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    CERT_STATUS_PROVISIONED = 0,
    /**
     * Device not provisioned.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Device not provisioned.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    CERT_STATUS_NOT_PROVISIONED,
    /**
     * Cert already expired.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Cert already expired.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    CERT_STATUS_EXPIRED,
    /**
     * Certs are invalid.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Certs are invalid.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    CERT_STATUS_INVALID,
    /**
     * Get certs status failed.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Get certs status failed.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    CERT_STATUS_UNAVAILABLE,
  }

  /**
   * Enumerates media key request types.
   * @enum { number }
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Enumerates media key request types.
   * @enum { number }
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 12
   */
  enum MediaKeyRequestType {
    /**
     * Media key request type unknown.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Media key request type unknown.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    MEDIA_KEY_REQUEST_TYPE_UNKNOWN = 0,
    /**
     * Media key request type initial.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Media key request type initial.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    MEDIA_KEY_REQUEST_TYPE_INITIAL = 1,
    /**
     * Media key request type renewal.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Media key request type renewal.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    MEDIA_KEY_REQUEST_TYPE_RENEWAL = 2,
    /**
     * Media key request type release.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Media key request type release.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    MEDIA_KEY_REQUEST_TYPE_RELEASE = 3,
    /**
     * Media key request type none.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Media key request type none.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    MEDIA_KEY_REQUEST_TYPE_NONE = 4,
    /**
     * Media key request type update.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Media key request type update.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    MEDIA_KEY_REQUEST_TYPE_UPDATE = 5,
  }

  /**
   * Enumerates content protection level.
   * @enum { number }
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Enumerates content protection level.
   * @enum { number }
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 12
   */
  enum ContentProtectionLevel {
    /**
     * Device decrypt and decode type unknown.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Device decrypt and decode type unknown.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    CONTENT_PROTECTION_LEVEL_UNKNOWN = 0,
    /**
     * Device using software level.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Device using software level.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    CONTENT_PROTECTION_LEVEL_SW_CRYPTO,
    /**
     * Device using hardware level.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Device using hardware level.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    CONTENT_PROTECTION_LEVEL_HW_CRYPTO,
    /**
     * Device using enhanced hardware level.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Device using enhanced hardware level.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    CONTENT_PROTECTION_LEVEL_ENHANCED_HW,
    /**
     * Max mode.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Max mode.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    CONTENT_PROTECTION_LEVEL_MAX,
  }

  /**
   * Provides the drm provision request definitions.
   * @interface ProvisionRequest
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
    /**
   * Provides the drm provision request definitions.
   * @interface ProvisionRequest
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  interface ProvisionRequest {
    /**
     * Provision request data sent to provision server.
     * @type { Uint8Array }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Provision request data sent to provision server.
     * @type { Uint8Array }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    data: Uint8Array;
    /**
     * Provision server URL.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Provision server URL.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    defaultURL: string;
  }

  /**
   * Provides the drm media key request info optional data.
   * @interface OptionsData
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Provides the drm media key request info optional data.
   * @interface OptionsData
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 12
   */
  interface OptionsData {
    /**
     * App defined optional data name.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * App defined optional data name.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    name: string;
    /**
     * App defined optional data value.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * App defined optional data value.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    value: string;
  }

  /**
   * Provides the drm media key request definitions.
   * @interface MediaKeyRequest
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Provides the drm media key request definitions.
   * @interface MediaKeyRequest
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 12
   */
  interface MediaKeyRequest {
    /**
     * Media key request type.
     * @type { MediaKeyRequestType }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Media key request type.
     * @type { MediaKeyRequestType }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    mediaKeyRequestType: MediaKeyRequestType;
    /**
     * Media key request data sent to media key server.
     * @type { Uint8Array }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Media key request data sent to media key server.
     * @type { Uint8Array }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    data: Uint8Array;
    /**
     * Media key server URL.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Media key server URL.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    defaultURL: string;
  }

  /**
   * Used to indicates the event info attached to specific event type.
   * @interface EventInfo
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Used to indicates the event info attached to specific event type.
   * @interface EventInfo
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 12
   */
  interface EventInfo {
    /**
     * Event info.
     * @type { Uint8Array }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Event info.
     * @type { Uint8Array }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    info: Uint8Array;
    /**
     * Event extra info.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Event extra info.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    extraInfo: string;
  }

  /**
   * Used to indicates the statistic info.
   * @interface StatisticKeyValue
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Used to indicates the statistic info.
   * @interface StatisticKeyValue
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  interface StatisticKeyValue {
    /**
     * Statistic info name.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Statistic info name.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    name: string;
    /**
     * Statistic info value.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Statistic info value.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    value: string;
  }

  /**
   * Used to indicates the media key status.
   * @interface MediaKeyStatus
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Used to indicates the media key status.
   * @interface MediaKeyStatus
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 12
   */
  interface MediaKeyStatus {
    /**
     * Media key Id in string.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Media key Id in string.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    name: string;
    /**
     * Media key status description.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Media key status description.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    value: string;
  }

  /**
   * Used to indicates the media key status with a key and its value.
   * @interface KeysInfo
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Used to indicates the media key status with a key and its value.
   * @interface KeysInfo
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 12
   */
  interface KeysInfo {
    /**
     * Keys Id in media key.
     * @type { Uint8Array }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Keys Id in media key.
     * @type { Uint8Array }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    keyId: Uint8Array;
    /**
     * Keys status description.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Keys status description.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    value: string;
  }

  /**
   * Used to indicates the media key system info of media source.
   * @interface MediaKeySystemInfo
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Used to indicates the media key system info of media source.
   * @interface MediaKeySystemInfo
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 12
   */
  interface MediaKeySystemInfo {
    /**
     * Drm system ID.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Drm system ID.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    uuid: string;
    /**
     * PSSH(protection scheme specific header) contain drm info.
     * @type { Uint8Array }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * PSSH(protection scheme specific header) contain drm info.
     * @type { Uint8Array }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    pssh: Uint8Array;
  }

/**
   * Name and UUID of DRM plugin.
   * @interface MediaKeySystemDescription
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 12
   */
/**
   * Name and UUID of DRM plugin.
   * @interface MediaKeySystemDescription
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  interface MediaKeySystemDescription {
    /**
     * Name of DRM plugin.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 12
     */
    /**
     * Name of DRM plugin.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    name: string;
    /**
     * UUID supported by DRM plugin.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 12
     */
    /**
     * UUID supported by DRM plugin.
     * @type { string }
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    uuid: string;
  }

  /**
   * Get a MediaKeySystem's UUID.
   * @param { string } name - The Digital Right Management solution name.
   * @returns { string } The MediaKeySystem uuid.
   * @throws { BusinessError } 401 - The parameter check failed.Possibly because:
   * <br>1.Mandatory parameters are left unspecified. 2.Parameter verification failed.
   * @throws { BusinessError } 24700101 - All unknown errors.
   * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 12
   */
  /**
   * Get a MediaKeySystem's UUID.
   * @param { string } name - The Digital Right Management solution name.
   * @returns { string } The MediaKeySystem uuid.
   * @throws { BusinessError } 401 - The parameter check failed.Possibly because:
   * <br>1.Mandatory parameters are left unspecified. 2.Parameter verification failed.
   * @throws { BusinessError } 24700101 - All unknown errors.
   * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  function getMediaKeySystemUuid(name: string): string;

  /**
   * Get all media key systems supported.
   * @returns { MediaKeySystemDescription[] } The MediaKeySystem name and uuid info list.
   * @throws { BusinessError } 24700101 - All unknown errors.
   * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 12
   */
  /**
   * Get all media key systems supported.
   * @returns { MediaKeySystemDescription[] } The MediaKeySystem name and uuid info list.
   * @throws { BusinessError } 24700101 - All unknown errors.
   * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  function getMediaKeySystems(): MediaKeySystemDescription[];

  /**
   * Creates a MediaKeySystem instance.
   * @param { string } name - Used to point a Digital Right Management solution.
   * @returns { MediaKeySystem } The MediaKeySystem instance.
   * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
   * 1.Mandatory parameters are left unspecified. 2.Parameter verification failed.
   * @throws { BusinessError } 24700101 - All unknown errors.
   * @throws { BusinessError } 24700103 - Meet max MediaKeySystem num limit.
   * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Creates a MediaKeySystem instance.
   * @param { string } name - Used to point a Digital Right Management solution.
   * @returns { MediaKeySystem } The MediaKeySystem instance.
   * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
   * 1.Mandatory parameters are left unspecified. 2.Parameter verification failed.
   * @throws { BusinessError } 24700101 - All unknown errors.
   * @throws { BusinessError } 24700103 - Meet max MediaKeySystem num limit.
   * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  function createMediaKeySystem(name: string): MediaKeySystem;

  /**
   * Judge whether a system that specifies name, mimetype and content protection level is supported.
   * @param { string } name - Used to point a Digital Right Management solution.
   * @param { string } mimeType - Used to specifies the media type.
   * @param { ContentProtectionLevel } level - Used to specifies the ContentProtectionLevel.
   * @returns { boolean } Whether these conditions will be met.
   * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
   * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
   * 3.Parameter verification failed.
   * @throws { BusinessError } 24700101 - All unknown errors.
   * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Judge whether a system that specifies name, mimetype and content protection level is supported.
   * @param { string } name - Used to point a Digital Right Management solution.
   * @param { string } mimeType - Used to specifies the media type.
   * @param { ContentProtectionLevel } level - Used to specifies the ContentProtectionLevel.
   * @returns { boolean } Whether these conditions will be met.
   * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
   * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
   * 3.Parameter verification failed.
   * @throws { BusinessError } 24700101 - All unknown errors.
   * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  function isMediaKeySystemSupported(name: string, mimeType: string, level: ContentProtectionLevel): boolean;

  /**
   * Judge whether a system that specifies name, mimetype is supported.
   * @param { string } name - Used to point a Digital Right Management solution.
   * @param { string } mimeType - Used to specifies the media type.
   * @returns { boolean } Whether these conditions will be met.
   * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
   * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
   * 3.Parameter verification failed.
   * @throws { BusinessError } 24700101 - All unknown errors.
   * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Judge whether a system that specifies name, mimetype is supported.
   * @param { string } name - Used to point a Digital Right Management solution.
   * @param { string } mimeType - Used to specifies the media type.
   * @returns { boolean } Whether these conditions will be met.
   * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
   * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
   * 3.Parameter verification failed.
   * @throws { BusinessError } 24700101 - All unknown errors.
   * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  function isMediaKeySystemSupported(name: string, mimeType: string): boolean;

  /**
   * Judge whether a system that specifies name is supported.
   * @param { string } name - Used to point a Digital Right Management solution.
   * @returns { boolean } Whether these conditions will be met.
   * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
   * 1.Mandatory parameters are left unspecified. 2.Parameter verification failed,
   * the param name's length is zero or too big(exceeds 4096 Bytes).
   * @throws { BusinessError } 24700101 - All unknown errors.
   * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Judge whether a system that specifies name is supported.
   * @param { string } name - Used to point a Digital Right Management solution.
   * @returns { boolean } Whether these conditions will be met.
   * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
   * 1.Mandatory parameters are left unspecified. 2.Parameter verification failed,
   * the param name's length is zero or too big(exceeds 4096 Bytes).
   * @throws { BusinessError } 24700101 - All unknown errors.
   * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  function isMediaKeySystemSupported(name: string): boolean;

  /**
   * Manages and record MediaKeySessions. Before calling an MediaKeySystem method, we must use getMediaKeySystem
   * to get a MediaKeySystem instance, then we can call functions.
   * @interface MediaKeySystem
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Manages and record MediaKeySessions. Before calling an MediaKeySystem method, we must use getMediaKeySystem
   * to get a MediaKeySystem instance, then we can call functions.
   * @interface MediaKeySystem
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 14
   */
  interface MediaKeySystem {
    /**
     * Get the specified configuration.
     * @param { string } configName - Used to specify the config name.
     * @returns { string } The config value string.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Parameter verification failed,
     * the param's length is zero or too big(exceeds 4096 Bytes).
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Get the specified configuration.
     * @param { string } configName - Used to specify the config name.
     * @returns { string } The config value string.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Parameter verification failed,
     * the param's length is zero or too big(exceeds 4096 Bytes).
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    getConfigurationString(configName: string): string;

    /**
     * Set the specified configuration.
     * @param { string } configName - Used to specify the config name.
     * @param { string } value - The value to be set.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Set the specified configuration.
     * @param { string } configName - Used to specify the config name.
     * @param { string } value - The value to be set.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    setConfigurationString(configName: string, value: string): void;

    /**
     * Get the specified configuration.
     * @param { string } configName - Used to specify the config name.
     * @returns { Uint8Array } The config value.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Get the specified configuration.
     * @param { string } configName - Used to specify the config name.
     * @returns { Uint8Array } The config value.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    getConfigurationByteArray(configName: string): Uint8Array;

    /**
     * Set the specified configuration.
     * @param { string } configName - Used to specify the config name.
     * @param { Uint8Array } value - The value to be set.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Set the specified configuration.
     * @param { string } configName - Used to specify the config name.
     * @param { Uint8Array } value - The value to be set.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    setConfigurationByteArray(configName: string, value: Uint8Array): void;

    /**
     * Get performance statistics information.That includes currentSessionNum, version, decryptNumber,
     * and errorDecryptNumber.
     * @returns { StatisticKeyValue[] } A list that includes performance index and corresponding statistics.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Get performance statistics information.That includes currentSessionNum, version, decryptNumber,
     * and errorDecryptNumber.
     * @returns { StatisticKeyValue[] } A list that includes performance index and corresponding statistics.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    getStatistics(): StatisticKeyValue[];

    /**
     * Get max content protection level the device supports.
     * @returns { ContentProtectionLevel } The max content protection level of the MediaKeySystem instance.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Get max content protection level the device supports.
     * @returns { ContentProtectionLevel } The max content protection level of the MediaKeySystem instance.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    getMaxContentProtectionLevel(): ContentProtectionLevel;

    /**
     * Generate a media key system provision request.
     * @returns { Promise<ProvisionRequest> } Promise with ProvisionRequest used to return the result.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Generate a media key system provision request.
     * @returns { Promise<ProvisionRequest> } Promise with ProvisionRequest used to return the result.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    generateKeySystemRequest(): Promise<ProvisionRequest>;

    /**
     * Process the response corresponding the key system request obtained by the application.
     * @param { Uint8Array } response - Response corresponding to the request.
     * @returns { Promise<void> } Promise used to return the result.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Process the response corresponding the key system request obtained by the application.
     * @param { Uint8Array } response - Response corresponding to the request.
     * @returns { Promise<void> } Promise used to return the result.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    processKeySystemResponse(response: Uint8Array): Promise<void>;

    /**
     * Get certificate status of the MediaKeySystem.
     * @returns { CertificateStatus } Certificate Status of the MediaKeySystem instance.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Get certificate status of the MediaKeySystem.
     * @returns { CertificateStatus } Certificate Status of the MediaKeySystem instance.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    getCertificateStatus(): CertificateStatus;

    /**
     * Register keySystemRequired events.
     * @param { 'keySystemRequired' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for the key system required event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Register keySystemRequired events.
     * @param { 'keySystemRequired' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for the key system required event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    on(type: 'keySystemRequired', callback: (eventInfo: EventInfo) => void): void;

    /**
     * Unregister keySystemRequired events.
     * @param { 'keySystemRequired' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for the key system required event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Unregister keySystemRequired events.
     * @param { 'keySystemRequired' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for the key system required event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    off(type: 'keySystemRequired', callback?: (eventInfo: EventInfo) => void): void;

    /**
     * Create a MediaKeySession instance with level.
     * @param { ContentProtectionLevel } level - Used to specify the content protection level.
     * @returns { MediaKeySession } A MediaKeySession instance.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.The param level exceeds reasonable range,
     * please use value in ContentProtectionLevel.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700104 - Meet max MediaKeySession num limit.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Create a MediaKeySession instance with level.
     * @param { ContentProtectionLevel } level - Used to specify the content protection level.
     * @returns { MediaKeySession } A MediaKeySession instance.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.The param level exceeds reasonable range,
     * please use value in ContentProtectionLevel.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700104 - Meet max MediaKeySession num limit.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    createMediaKeySession(level: ContentProtectionLevel): MediaKeySession;

    /**
     * Create a MediaKeySession instance.
     * @returns { MediaKeySession } A MediaKeySession instance.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700104 - Meet max MediaKeySession num limit.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Create a MediaKeySession instance.
     * @returns { MediaKeySession } A MediaKeySession instance.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700104 - Meet max MediaKeySession num limit.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    createMediaKeySession(): MediaKeySession;

    /**
     * Get the list of offline MediaKeyIds.
     * @returns { Uint8Array[] } The list of offline MediaKeyIds.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Get the list of offline MediaKeyIds.
     * @returns { Uint8Array[] } The list of offline MediaKeyIds.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    getOfflineMediaKeyIds(): Uint8Array[];

    /**
     * Get offline media key status corresponding to the mediaKeyId.
     * @param { Uint8Array } mediaKeyId - The media key identifier.
     * @returns { OfflineMediaKeyStatus } Offline media key Status.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Get offline media key status corresponding to the mediaKeyId.
     * @param { Uint8Array } mediaKeyId - The media key identifier.
     * @returns { OfflineMediaKeyStatus } Offline media key Status.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    getOfflineMediaKeyStatus(mediaKeyId: Uint8Array): OfflineMediaKeyStatus;

    /**
     * Remove media key corresponding to the mediaKeyId.
     * @param { Uint8Array } mediaKeyId - The mediaKeyId specifies which media key should be clear.
     * @throws { BusinessError } 401 - The parameter check failed.Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Remove media key corresponding to the mediaKeyId.
     * @param { Uint8Array } mediaKeyId - The mediaKeyId specifies which media key should be clear.
     * @throws { BusinessError } 401 - The parameter check failed.Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    clearOfflineMediaKeys(mediaKeyId: Uint8Array): void;
    /**
     * Release the resource before the MediaKeySystem gonna be unused.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Release the resource before the MediaKeySystem gonna be unused.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 14
     */
    destroy(): void;
  }

  /**
   * Provide functions and keep a decrypt module. Before calling an MediaKeySession method, we must
   * use MediaKeySystem's createMediaKeySession to get a MediaKeySession instance.
   * @interface MediaKeySession
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @since 11
   */
  /**
   * Provide functions and keep a decrypt module. Before calling an MediaKeySession method, we must
   * use MediaKeySystem's createMediaKeySession to get a MediaKeySession instance.
   * @interface MediaKeySession
   * @syscap SystemCapability.Multimedia.Drm.Core
   * @atomicservice
   * @since 12
   */
  interface MediaKeySession {

    /**
     * Generate the media key request.
     * @param { string } mimeType - Media type.
     * @param { Uint8Array } initData - PSSH info.
     * @param { number } mediaKeyType - Offline or online.
     * @param { OptionsData[] } options - Optional data the application set to drm framework.
     * @returns { Promise<MediaKeyRequest> } Promise with MediaKeyRequest used to return the result.
     * @throws { BusinessError } 401 -The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Generate the media key request.
     * @param { string } mimeType - Media type.
     * @param { Uint8Array } initData - PSSH info.
     * @param { number } mediaKeyType - Offline or online.
     * @param { OptionsData[] } options - Optional data the application set to drm framework.
     * @returns { Promise<MediaKeyRequest> } Promise with MediaKeyRequest used to return the result.
     * @throws { BusinessError } 401 -The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    generateMediaKeyRequest(mimeType: string, initData: Uint8Array, mediaKeyType: number, options?: OptionsData[]): Promise<MediaKeyRequest>;

    /**
     * Process the response corresponding to the media key request obtained by the application.
     * @param { Uint8Array } response - The response.
     * @returns { Promise<Uint8Array> } Promise with media key identifier in Uint8ARRY used to return the result.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Process the response corresponding to the media key request obtained by the application.
     * @param { Uint8Array } response - The response.
     * @returns { Promise<Uint8Array> } Promise with media key identifier in Uint8ARRY used to return the result.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    processMediaKeyResponse(response: Uint8Array): Promise<Uint8Array>;

    /**
     * Check the media key status
     * @returns { MediaKeyStatus[] } A list of media key status description pairs.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Check the media key status
     * @returns { MediaKeyStatus[] } A list of media key status description pairs.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    checkMediaKeyStatus(): MediaKeyStatus[];

    /**
     * Remove media key.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Remove media key.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    clearMediaKeys(): void;

    /**
     * Generate offline media key request.
     * @param { Uint8Array } mediaKeyId - The mediaKeyId specifies which media content's media key request
     * should be generated.
     * @returns { Promise<Uint8Array> } Promise with media key request in Uint8Array used to return the result.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Generate offline media key request.
     * @param { Uint8Array } mediaKeyId - The mediaKeyId specifies which media content's media key request
     * should be generated.
     * @returns { Promise<Uint8Array> } Promise with media key request in Uint8Array used to return the result.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    generateOfflineReleaseRequest(mediaKeyId: Uint8Array): Promise<Uint8Array>;

    /**
     * Process offline media key response.
     * @param { Uint8Array } mediaKeyId - The mediaKeyId specifies which media content's media key it is.
     * @param { Uint8Array } response - The offline media key.
     * @returns { Promise<void> } Promise used to return the result.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Process offline media key response.
     * @param { Uint8Array } mediaKeyId - The mediaKeyId specifies which media content's media key it is.
     * @param { Uint8Array } response - The offline media key.
     * @returns { Promise<void> } Promise used to return the result.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    processOfflineReleaseResponse(mediaKeyId: Uint8Array, response: Uint8Array): Promise<void>;

    /**
     * Restore offline media key.
     * @param { Uint8Array } mediaKeyId - The mediaKeyId specifies which media key should be restore.
     * @returns { Promise<void> } Promise used to return the result.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Restore offline media key.
     * @param { Uint8Array } mediaKeyId - The mediaKeyId specifies which media key should be restore.
     * @returns { Promise<void> } Promise used to return the result.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    restoreOfflineMediaKeys(mediaKeyId: Uint8Array): Promise<void>;

    /**
     * Get content protection level.
     * @returns { ContentProtectionLevel } MediaKeySession content protection level.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Get content protection level.
     * @returns { ContentProtectionLevel } MediaKeySession content protection level.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    getContentProtectionLevel(): ContentProtectionLevel;

    /**
     * Whether the encrypted content require a secure decoder or not.
     * @param { string } mimeType - The media type.
     * @returns { boolean } Whether secure decoder is required.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Whether the encrypted content require a secure decoder or not.
     * @param { string } mimeType - The media type.
     * @returns { boolean } Whether secure decoder is required.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    requireSecureDecoderModule(mimeType: string): boolean;

    /**
     * Register keyRequired event.
     * @param { 'keyRequired' } type - Type of the drm event to listen for.
     * @param { function } callback used to listen for the key required event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Register keyRequired event.
     * @param { 'keyRequired' } type - Type of the drm event to listen for.
     * @param { function } callback used to listen for the key required event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    on(type: 'keyRequired', callback: (eventInfo: EventInfo) => void): void;

    /**
     * Unregister keyRequired event.
     * @param { 'keyRequired' } type - Type of the drm event to listen for.
     * @param { function } callback used to listen for the key required event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Unregister keyRequired event.
     * @param { 'keyRequired' } type - Type of the drm event to listen for.
     * @param { function } callback used to listen for the key required event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    off(type: 'keyRequired', callback?: (eventInfo: EventInfo) => void): void;

    /**
     * Register keyExpired event.
     * @param { 'keyExpired' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for the key required event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Register keyExpired event.
     * @param { 'keyExpired' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for the key required event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    on(type: 'keyExpired', callback: (eventInfo: EventInfo) => void): void;

    /**
     * Unregister keyExpired event.
     * @param { 'keyExpired' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for the key required event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Unregister keyExpired event.
     * @param { 'keyExpired' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for the key required event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    off(type: 'keyExpired', callback?: (eventInfo: EventInfo) => void): void;

    /**
     * Register vendorDefined event.
     * @param { 'vendorDefined' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for the vendor defined event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Register vendorDefined event.
     * @param { 'vendorDefined' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for the vendor defined event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    on(type: 'vendorDefined', callback: (eventInfo: EventInfo) => void): void;

    /**
     * Unregister vendorDefined event.
     * @param { 'vendorDefined' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for the vendor defined event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Unregister vendorDefined event.
     * @param { 'vendorDefined' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for the vendor defined event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    off(type: 'vendorDefined', callback?: (eventInfo: EventInfo) => void): void;

    /**
     * Register expirationUpdate event.
     * @param { 'expirationUpdate' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for expiration update event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Register expirationUpdate event.
     * @param { 'expirationUpdate' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for expiration update event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    on(type: 'expirationUpdate', callback: (eventInfo: EventInfo) => void): void;

    /**
     * Unregister expirationUpdate event.
     * @param { 'expirationUpdate' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for expiration update event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Unregister expirationUpdate event.
     * @param { 'expirationUpdate' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for expiration update event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    off(type: 'expirationUpdate', callback?: (eventInfo: EventInfo) => void): void;

    /**
     * Register keysChange event.
     * @param { 'keysChange' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for keys change event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Register keysChange event.
     * @param { 'keysChange' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for keys change event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    on(type: 'keysChange', callback: (keyInfo: KeysInfo[], newKeyAvailable: boolean) => void): void;

    /**
     * Unregister keysChange event.
     * @param { 'keysChange' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for keys change event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Unregister keysChange event.
     * @param { 'keysChange' } type - Type of the drm event to listen for.
     * @param { function } callback - Used to listen for keys change event.
     * @throws { BusinessError } 401 - The parameter check failed. Possibly because:
     * 1.Mandatory parameters are left unspecified or too many parameters. 2.Incorrect parameter types.
     * 3.Parameter verification failed.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    off(type: 'keysChange', callback?: (keyInfo: KeysInfo[], newKeyAvailable: boolean) => void): void;

    /**
     * Release the resource before the session gonna be unused.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @since 11
     */
    /**
     * Release the resource before the session gonna be unused.
     * @throws { BusinessError } 24700101 - All unknown errors.
     * @throws { BusinessError } 24700201 - Fatal service error, for example, service died.
     * @syscap SystemCapability.Multimedia.Drm.Core
     * @atomicservice
     * @since 12
     */
    destroy(): void;

  }
}

export default drm;