diff --git a/api/@ohos.multimedia.camera.d.ts b/api/@ohos.multimedia.camera.d.ts
index a8d27470139d527f40b57b4ab97abdd095d7dace..994be25c9253a058377c93678fa441e7db281a2d 100644
--- a/api/@ohos.multimedia.camera.d.ts
+++ b/api/@ohos.multimedia.camera.d.ts
@@ -1023,8 +1023,7 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     createCameraInput(camera: CameraDevice): CameraInput;
 
@@ -1069,11 +1068,59 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     createCameraInput(position: CameraPosition, type: CameraType): CameraInput;
 
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload createCameraInput { createCameraInputWithCamera, createCameraInputWithPositionType };
+
+    /**
+     * Creates a CameraInput instance by camera.
+     * 
+     * Before using this interface, first through the getSupportedCameras interface to query the current list of camera
+     * devices supported by the device, the developer needs to be based on specific scenarios to choose the camera device
+     * that meets the needs of the developer, and then use this interface to create a CameraInput instance.
+     *
+     * @permission ohos.permission.CAMERA
+     * @param { CameraDevice } camera - Camera device used to create the instance.
+     * @returns { CameraInput } Returns a CameraInput instance. Failure of an interface call returns the corresponding
+     * error code, which is of type CameraErrorCode.
+     * @throws { BusinessError } 7400101 - Parameter missing or parameter type incorrect.
+     * @throws { BusinessError } 7400102 - Operation not allowed.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    createCameraInputWithCamera(camera: CameraDevice): CameraInput;
+
+    /**
+     * Creates a CameraInput instance by camera position and type.
+     *
+     * @permission ohos.permission.CAMERA
+     * @param { CameraPosition } position - Camera position, first get the supported camera device
+     * objects through the getSupportedCameras interface, and then get the device position information
+     * based on the returned camera device objects.
+     * @param { CameraType } type - camera type, first get the supported camera device object through
+     * the getSupportedCameras interface, then get the device type information based on the returned
+     * camera device object.
+     * @returns { CameraInput } Returns a CameraInput instance. Failure of an interface call returns
+     * the corresponding error code, which is of type CameraErrorCode.
+     * @throws { BusinessError } 7400101 - Parameter missing or parameter type incorrect.
+     * @throws { BusinessError } 7400102 - Operation not allowed.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    createCameraInputWithPositionType(position: CameraPosition, type: CameraType): CameraInput;
+
     /**
      * Creates a PreviewOutput instance.
      *
@@ -1106,8 +1153,7 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     createPreviewOutput(profile: Profile, surfaceId: string): PreviewOutput;
 
@@ -1134,11 +1180,48 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     createPreviewOutput(surfaceId: string): PreviewOutput;
 
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload createPreviewOutput { createPreviewOutputWithProfileSurfaceId, createPreviewOutputWithSurfaceId };
+
+    /**
+     * Creates a PreviewOutput instance.
+     *
+     * @param { Profile } profile - Supported preview configuration information,
+     * obtained through the getSupportedOutputCapability API.
+     * @param { string } surfaceId - Surface object id used in camera photo output.
+     * @returns { PreviewOutput } The PreviewOutput instance.
+     * @throws { BusinessError } 7400101 - Parameter missing or parameter type incorrect.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    createPreviewOutputWithProfileSurfaceId(profile: Profile, surfaceId: string): PreviewOutput;
+
+    /**
+     * Creates a PreviewOutput instance without profile.
+     * You can use this method to create a preview output instance without a profile, This instance can
+     * only be used in a preconfiged session.
+     *
+     * @param { string } surfaceId - Surface object id used in camera preview output.
+     * @returns { PreviewOutput } The PreviewOutput instance.
+     * @throws { BusinessError } 7400101 - Parameter missing or parameter type incorrect.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    createPreviewOutputWithSurfaceId(surfaceId: string): PreviewOutput;
+
     /**
      * Creates a PhotoOutput instance.
      *
@@ -1231,8 +1314,7 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     createVideoOutput(profile: VideoProfile, surfaceId: string): VideoOutput;
 
@@ -1259,11 +1341,48 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     createVideoOutput(surfaceId: string): VideoOutput;
 
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload createVideoOutput { createVideoOutputWithProfileSurfaceId, createVideoOutputWithSurfaceId };
+
+    /**
+     * Creates a VideoOutput instance.
+     *
+     * @param { VideoProfile } profile - Supported recording configuration information,
+     * obtained through the getSupportedOutputCapability API.
+     * @param { string } surfaceId - Surface object id used in camera video output.
+     * @returns { VideoOutput } The VideoOutput instance.
+     * @throws { BusinessError } 7400101 - Parameter missing or parameter type incorrect.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    createVideoOutputWithProfileSurfaceId(profile: VideoProfile, surfaceId: string): VideoOutput;
+
+    /**
+     * Creates a VideoOutput instance without profile.
+     * You can use this method to create a video output instance without a profile, This instance can
+     * only be used in a preconfiged session.
+     *
+     * @param { string } surfaceId - Surface object id used in camera video output.
+     * @returns { VideoOutput } The VideoOutput instance.
+     * @throws { BusinessError } 7400101 - Parameter missing or parameter type incorrect.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    createVideoOutputWithSurfaceId(surfaceId: string): VideoOutput;
+
     /**
      * Creates a MetadataOutput instance.
      *
@@ -1419,8 +1538,7 @@ declare namespace camera {
      * @param { AsyncCallback<CameraStatusInfo> } callback - Callback used to get the camera status change.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     on(type: 'cameraStatus', callback: AsyncCallback<CameraStatusInfo>): void;
 
@@ -1439,8 +1557,7 @@ declare namespace camera {
      * @param { AsyncCallback<CameraStatusInfo> } callback - Callback used to get the camera status change.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     off(type: 'cameraStatus', callback?: AsyncCallback<CameraStatusInfo>): void;
 
@@ -1462,8 +1579,7 @@ declare namespace camera {
      * @param { AsyncCallback<FoldStatusInfo> } callback - Callback used to get the fold status change.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     on(type: 'foldStatusChange', callback: AsyncCallback<FoldStatusInfo>): void;
 
@@ -1482,8 +1598,7 @@ declare namespace camera {
      * @param { AsyncCallback<FoldStatusInfo> } callback - Callback used to get the fold status change.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     off(type: 'foldStatusChange', callback?: AsyncCallback<FoldStatusInfo>): void;
 
@@ -1504,8 +1619,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'13','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 13
      */
     on(type: 'cameraMute', callback: AsyncCallback<boolean>): void;
 
@@ -1526,8 +1640,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'13','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 13
      */
     off(type: 'cameraMute', callback?: AsyncCallback<boolean>): void;
 
@@ -1771,8 +1884,7 @@ declare namespace camera {
      * @param { AsyncCallback<TorchStatusInfo> } callback - Callback used to return the torch status change
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     on(type: 'torchStatusChange', callback: AsyncCallback<TorchStatusInfo>): void;
 
@@ -1791,10 +1903,130 @@ declare namespace camera {
      * @param { AsyncCallback<TorchStatusInfo> } callback - Callback used to return the torch status change
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     off(type: 'torchStatusChange', callback?: AsyncCallback<TorchStatusInfo>): void;
+
+    /**
+    * @since 20
+    * @arkts 1.2
+    */
+    overload on { onCameraStatus, onFoldStatusChange, onCameraMute, onTorchStatusChange };
+
+    /**
+     * Camera state callback to get the state change of the camera by registering a callback
+     * function. This API uses an asynchronous callback to return the result.
+     * 
+     * Description: Currently, it is not allowed to use off() to unregister the callback
+     * within the callback method of on().
+     *
+     * @param { 'cameraStatus' } type - Event type.
+     * @param { AsyncCallback<CameraStatusInfo> } callback - Callback used to get the camera status change.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    onCameraStatus(type: 'cameraStatus', callback: AsyncCallback<CameraStatusInfo>): void;
+
+    /**
+     * Registers a listener for fold state changes. This API uses an asynchronous callback to return the result.
+     * 
+     * Description: Currently, it is not allowed to use off() to unregister the callback
+     * within the callback method of on().
+     *
+     * @param { 'foldStatusChanged' } type - Event type.
+     * @param { AsyncCallback<FoldStatusInfo> } callback - Callback used to get the fold status change.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    onFoldStatusChange(type: 'foldStatusChange', callback: AsyncCallback<FoldStatusInfo>): void;
+
+    /**
+     * Subscribes camera mute change event callback.
+     *
+     * @param { 'cameraMute' } type - Event type.
+     * @param { AsyncCallback<boolean> } callback - Callback used to get the camera mute change.
+     * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onCameraMute(type: 'cameraMute', callback: AsyncCallback<boolean>): void;
+
+    /**
+     * Registers a listener for flashlight state changes to get flashlight state change by registering
+     * a callback function. This API uses an asynchronous callback to return the result.
+     * 
+     * Description: Currently, it is not allowed to use off() to unregister the callback
+     * within the callback method of on().
+     *
+     * @param { 'torchStatusChange' } type - Event type
+     * @param { AsyncCallback<TorchStatusInfo> } callback - Callback used to return the torch status change
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    onTorchStatusChange(type: 'torchStatusChange', callback: AsyncCallback<TorchStatusInfo>): void;
+
+    /**
+    * @since 20
+    * @arkts 1.2
+    */
+    overload off { offCameraStatus, offFoldStatusChange, offCameraMute, offTorchStatusChange };
+
+    /**
+     * Unsubscribes from camera status change event callback.
+     *
+     * @param { 'cameraStatus' } type - Event type.
+     * @param { AsyncCallback<CameraStatusInfo> } callback - Callback used to get the camera status change.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    offCameraStatus(type: 'cameraStatus', callback?: AsyncCallback<CameraStatusInfo>): void;
+
+    /**
+     * Unsubscribes from fold status change event callback.
+     *
+     * @param { 'foldStatusChanged' } type - Event type.
+     * @param { AsyncCallback<FoldStatusInfo> } callback - Callback used to get the fold status change.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    offFoldStatusChange(type: 'foldStatusChange', callback?: AsyncCallback<FoldStatusInfo>): void;
+
+    /**
+     * Unsubscribes from camera mute change event callback.
+     *
+     * @param { 'cameraMute' } type - Event type.
+     * @param { AsyncCallback<boolean> } callback - Callback used to get the camera mute change.
+     * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offCameraMute(type: 'cameraMute', callback?: AsyncCallback<boolean>): void;
+
+    /**
+     * Unsubscribes torch status change event callback.
+     *
+     * @param { 'torchStatusChange' } type - Event type
+     * @param { AsyncCallback<TorchStatusInfo> } callback - Callback used to return the torch status change
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    offTorchStatusChange(type: 'torchStatusChange', callback?: AsyncCallback<TorchStatusInfo>): void;
   }
 
   /**
@@ -2727,8 +2959,7 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     open(callback: AsyncCallback<void>): void;
 
@@ -2753,8 +2984,7 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     open(): Promise<void>;
 
@@ -2780,27 +3010,33 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     open(isSecureEnabled: boolean): Promise<bigint>;
 
     /**
-     * Open camera with specified concurrent type.
+     * @since 20
+     * @arkts 1.2
+     */
+    overload open { openWithCallback, openReturnsPromise, openWithisSecureEnabledReturnsPromiseofBigint };
+
+    /**
+     * Open camera.
      *
-     * @param { CameraConcurrentType } type - Camera concurrent type.
-     * @returns { Promise<void> } Promise used to return the result.
-     * @throws { BusinessError } 7400102 - Operation not allowed.
+     * @param { AsyncCallback<void> } callback - Callback used to return the result.
      * @throws { BusinessError } 7400107 - Can not use camera cause of conflict.
      * @throws { BusinessError } 7400108 - Camera disabled cause of security reason.
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
-     * @since 18
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
      */
+    openWithCallback(callback: AsyncCallback<void>): void;
+
     /**
-     * Open camera with specified concurrent type.
+     * Open camera.
      *
-     * @param { CameraConcurrentType } type - Camera concurrent type.
      * @returns { Promise<void> } Promise used to return the result.
      * @throws { BusinessError } 7400102 - Operation not allowed.
      * @throws { BusinessError } 7400107 - Can not use camera cause of conflict.
@@ -2808,12 +3044,56 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since 19
+     * @since 20
+     * @arkts 1.2
      */
-    open(type: CameraConcurrentType): Promise<void>;
+    openReturnsPromise(): Promise<void>;
 
     /**
-     * Close camera.
+     * Open camera.
+     *
+     * @param { boolean } isSecureEnabled - Setting true enables the camera to be opened in a safe way,
+     * setting false does the opposite. Failure of an interface call returns an error code of type CameraErrorCode.
+     * @returns { Promise<bigint> } Promise used to return the result.
+     * @throws { BusinessError } 7400107 - Can not use camera cause of conflict.
+     * @throws { BusinessError } 7400108 - Camera disabled cause of security reason.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    openWithisSecureEnabledReturnsPromiseofBigint(isSecureEnabled: boolean): Promise<bigint>;
+
+    /**
+     * Open camera with specified concurrent type.
+     *
+     * @param { CameraConcurrentType } type - Camera concurrent type.
+     * @returns { Promise<void> } Promise used to return the result.
+     * @throws { BusinessError } 7400102 - Operation not allowed.
+     * @throws { BusinessError } 7400107 - Can not use camera cause of conflict.
+     * @throws { BusinessError } 7400108 - Camera disabled cause of security reason.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @since 18
+     */
+    /**
+     * Open camera with specified concurrent type.
+     *
+     * @param { CameraConcurrentType } type - Camera concurrent type.
+     * @returns { Promise<void> } Promise used to return the result.
+     * @throws { BusinessError } 7400102 - Operation not allowed.
+     * @throws { BusinessError } 7400107 - Can not use camera cause of conflict.
+     * @throws { BusinessError } 7400108 - Camera disabled cause of security reason.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 19
+     */
+    open(type: CameraConcurrentType): Promise<void>;
+
+    /**
+     * Close camera.
      *
      * @param { AsyncCallback<void> } callback - Callback used to return the result.
      * @throws { BusinessError } 7400201 - Camera service fatal error.
@@ -2827,8 +3107,7 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     close(callback: AsyncCallback<void>): void;
 
@@ -2847,11 +3126,40 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     close(): Promise<void>;
 
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload close { closeWithCallback, closeReturnsPromise };
+
+    /**
+     * Close camera.
+     *
+     * @param { AsyncCallback<void> } callback - Callback used to return the result.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    closeWithCallback(callback: AsyncCallback<void>): void;
+
+    /**
+     * Close camera.
+     *
+     * @returns { Promise<void> } Promise used to return the result.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    closeReturnsPromise(): Promise<void>;
+
     /**
      * Delay close camera.
      *
@@ -2888,8 +3196,7 @@ declare namespace camera {
      * @param { ErrorCallback } callback - Callback used to get the camera input errors.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     on(type: 'error', camera: CameraDevice, callback: ErrorCallback): void;
 
@@ -2910,8 +3217,7 @@ declare namespace camera {
      * @param { ErrorCallback } callback - Callback used to get the camera input errors.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     off(type: 'error', camera: CameraDevice, callback?: ErrorCallback): void;
 
@@ -2923,8 +3229,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'cameraOcclusionDetection', callback: AsyncCallback<CameraOcclusionDetectionResult>): void;
 
@@ -2936,11 +3241,78 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'cameraOcclusionDetection', callback?: AsyncCallback<CameraOcclusionDetectionResult>): void;
 
+    /**
+    * @since 20
+    * @arkts 1.2
+    */
+    overload on { onError, onCameraOcclusionDetection }
+
+    /**
+     * Registers a listener for CameraInput error events to get the result by registering
+     * a callback function. This API uses an asynchronous callback to return the result.
+     * 
+     * Description: Currently, it is not allowed to use off() to unregister the callback
+     * within the callback method of on().
+     *
+     * @param { 'error' } type - Event type.
+     * @param { CameraDevice } camera - Camera device.
+     * @param { ErrorCallback } callback - Callback used to get the camera input errors.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    onError(type: 'error', camera: CameraDevice, callback: ErrorCallback): void;
+
+    /**
+     * Subscribes to camera occlusion detection results.
+     *
+     * @param { 'cameraOcclusionDetection' } type - Event type.
+     * @param { AsyncCallback<CameraOcclusionDetectionResult> } callback - Callback used to get detection results.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onCameraOcclusionDetection(type: 'cameraOcclusionDetection', callback: AsyncCallback<CameraOcclusionDetectionResult>): void;
+
+    /**
+    * @since 20
+    * @arkts 1.2
+    */
+    overload off { offError, offCameraOcclusionDetection }
+
+    /**
+     * Unsubscribes from error events.
+     *
+     * @param { 'error' } type - Event type.
+     * @param { CameraDevice } camera - Camera device.
+     * @param { ErrorCallback } callback - Callback used to get the camera input errors.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    offError(type: 'error', camera: CameraDevice, callback?: ErrorCallback): void;
+
+    /**
+     * Unsubscribes from camera occlusion detection results.
+     *
+     * @param { 'cameraOcclusionDetection' } type - Event type.
+     * @param { AsyncCallback<CameraOcclusionDetectionResult> } callback - Callback used to get detection results.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offCameraOcclusionDetection(type: 'cameraOcclusionDetection', callback?: AsyncCallback<CameraOcclusionDetectionResult>): void;
+
     /**
      * Sets the camera to be used as a camera at the specified position.
      *
@@ -6409,8 +6781,7 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     commitConfig(callback: AsyncCallback<void>): void;
 
@@ -6431,11 +6802,42 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     commitConfig(): Promise<void>;
 
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload commitConfig {commitConfigWithCallback, commitConfigReturnsPromise };
+
+    /**
+     * Commit capture session config.
+     *
+     * @param { AsyncCallback<void> } callback - Callback used to return the result.
+     * @throws { BusinessError } 7400102 - Operation not allowed.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    commitConfigWithCallback(callback: AsyncCallback<void>): void;
+
+    /**
+     * Commit capture session config.
+     *
+     * @returns { Promise<void> } Promise used to return the result.
+     * @throws { BusinessError } 7400102 - Operation not allowed.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    commitConfigReturnsPromise(): Promise<void>;
+
     /**
      * Determines whether the camera input can be added into the session.
      * This method is valid between Session.beginConfig() and Session.commitConfig().
@@ -6704,8 +7106,7 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     start(callback: AsyncCallback<void>): void;
 
@@ -6737,11 +7138,44 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     start(): Promise<void>;
 
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload start { startWithCallback, startReturnsPromise };
+
+    /**
+     * Starts capture session.
+     *
+     * @param { AsyncCallback<void> } callback - Callback used to return the result.
+     * @throws { BusinessError } 7400102 - Operation not allowed.
+     * @throws { BusinessError } 7400103 - Session not config.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    startWithCallback(callback: AsyncCallback<void>): void;
+
+    /**
+     * Starts capture session.
+     *
+     * @returns { Promise<void> } Promise used to return the result.
+     * @throws { BusinessError } 7400102 - Operation not allowed.
+     * @throws { BusinessError } 7400103 - Session not config.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    startReturnsPromise(): Promise<void>;
+
     /**
      * Stops capture session.
      *
@@ -6757,8 +7191,7 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     stop(callback: AsyncCallback<void>): void;
 
@@ -6777,11 +7210,40 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     stop(): Promise<void>;
 
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload stop { stopWithCallback, stopReturnsPromise };
+
+    /**
+     * Stops capture session.
+     *
+     * @param { AsyncCallback<void> } callback - Callback used to return the result.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    stopWithCallback(callback: AsyncCallback<void>): void;
+
+    /**
+     * Stops capture session.
+     *
+     * @returns { Promise<void> } Promise used to return the result.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    stopReturnsPromise(): Promise<void>;
+
     /**
      * Release capture session instance.
      *
@@ -6797,8 +7259,7 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     release(callback: AsyncCallback<void>): void;
 
@@ -6817,11 +7278,40 @@ declare namespace camera {
      * @throws { BusinessError } 7400201 - Camera service fatal error.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     release(): Promise<void>;
 
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload release { releaseWithCallback, releaseReturnsPromise };
+
+    /**
+     * Release capture session instance.
+     *
+     * @param { AsyncCallback<void> } callback - Callback used to return the result.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    releaseWithCallback(callback: AsyncCallback<void>): void;
+
+    /**
+     * Release capture session instance.
+     *
+     * @returns { Promise<void> } Promise used to return the result.
+     * @throws { BusinessError } 7400201 - Camera service fatal error.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    releaseReturnsPromise(): Promise<void>;
+
     /**
      * Set usage for the capture session.
      *
@@ -7908,8 +8398,7 @@ declare namespace camera {
      * @param { ErrorCallback } callback - Callback used to get the capture session errors.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     on(type: 'error', callback: ErrorCallback): void;
 
@@ -7928,8 +8417,7 @@ declare namespace camera {
      * @param { ErrorCallback } callback - Callback used to get the capture session errors.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     off(type: 'error', callback?: ErrorCallback): void;
 
@@ -7952,8 +8440,7 @@ declare namespace camera {
      * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     on(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;
 
@@ -7972,8 +8459,7 @@ declare namespace camera {
      * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     off(type: 'focusStateChange', callback?: AsyncCallback<FocusState>): void;
 
@@ -7996,8 +8482,7 @@ declare namespace camera {
      * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     on(type: 'smoothZoomInfoAvailable', callback: AsyncCallback<SmoothZoomInfo>): void;
 
@@ -8016,8 +8501,7 @@ declare namespace camera {
      * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     off(type: 'smoothZoomInfoAvailable', callback?: AsyncCallback<SmoothZoomInfo>): void;
 
@@ -8029,8 +8513,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'macroStatusChanged', callback: AsyncCallback<boolean>): void;
 
@@ -8042,8 +8525,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     off(type: 'macroStatusChanged', callback?: AsyncCallback<boolean>): void;
 
@@ -8056,8 +8538,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'featureDetection', featureType: SceneFeatureType, callback: AsyncCallback<SceneFeatureDetectionResult>): void;
 
@@ -8070,8 +8551,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'featureDetection', featureType: SceneFeatureType, callback?: AsyncCallback<SceneFeatureDetectionResult>): void;
 
@@ -8082,8 +8562,7 @@ declare namespace camera {
      * @param { AsyncCallback<EffectSuggestionType> } callback - Callback used to return the result.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'effectSuggestionChange', callback: AsyncCallback<EffectSuggestionType>): void;
 
@@ -8094,8 +8573,7 @@ declare namespace camera {
      * @param { AsyncCallback<EffectSuggestionType> } callback - Callback used to return the result.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'effectSuggestionChange', callback?: AsyncCallback<EffectSuggestionType>): void;
 
@@ -8118,8 +8596,7 @@ declare namespace camera {
      * @param { AsyncCallback<AutoDeviceSwitchStatus> } callback - Callback used to return the result.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     on(type: 'autoDeviceSwitchStatusChange', callback: AsyncCallback<AutoDeviceSwitchStatus>): void;
 
@@ -8138,8 +8615,7 @@ declare namespace camera {
      * @param { AsyncCallback<AutoDeviceSwitchStatus> } callback - Callback used to return the result.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     off(type: 'autoDeviceSwitchStatusChange', callback?: AsyncCallback<AutoDeviceSwitchStatus>): void;
 
@@ -8151,8 +8627,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'13','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 13
      */
     on(type: 'lcdFlashStatus', callback: AsyncCallback<LcdFlashStatus>): void;
 
@@ -8164,11 +8639,240 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'13','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 13
      */
     off(type: 'lcdFlashStatus', callback?: AsyncCallback<LcdFlashStatus>): void;
 
+    /**
+    * @since 20
+    * @arkts 1.2
+    */
+    overload on { onError, onFocusStateChange, onSmoothZoomInfoAvailable, onMacroStatusChanged, onFeatureDetection,
+      onEffectSuggestionChange, onAutoDeviceSwitchStatusChange, onLcdFlashStatus };
+
+    /**
+     * Registers a listener for error events from a normal video session to get the result by registering
+     * a callback function. This API uses an asynchronous callback to return the result.
+     * 
+     * Description: Currently, it is not allowed to use off() to unregister the callback
+     * within the callback method of on().
+     *
+     * @param { 'error' } type - Event type.
+     * @param { ErrorCallback } callback - Callback used to get the capture session errors.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    onError(type: 'error', callback: ErrorCallback): void;
+
+    /**
+     * Registers a listener for camera focus state changes to get the result by registering
+     * a callback function. This API uses an asynchronous callback to return the result.
+     * 
+     * Description: Currently, it is not allowed to use off() to unregister the callback
+     * within the callback method of on().
+     *
+     * @param { 'focusStateChange' } type - Event type.
+     * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    onFocusStateChange(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;
+
+    /**
+     * Registers a listener for state changes in the camera's smooth zoom to get the result by registering
+     * a callback function. This API uses an asynchronous callback to return the result.
+     * 
+     * Description: Currently, it is not allowed to use off() to unregister the callback
+     * within the callback method of on().
+     *
+     * @param { 'smoothZoomInfoAvailable' } type - Event type.
+     * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    onSmoothZoomInfoAvailable(type: 'smoothZoomInfoAvailable', callback: AsyncCallback<SmoothZoomInfo>): void;
+
+    /**
+     * Subscribes camera macro status event callback.
+     *
+     * @param { 'macroStatusChanged' } type - Event type.
+     * @param { AsyncCallback<boolean> } callback - Callback used to return the result.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onMacroStatusChanged(type: 'macroStatusChanged', callback: AsyncCallback<boolean>): void;
+
+    /**
+     * Subscribes to feature detection results.
+     *
+     * @param { 'featureDetection' } type - Event type.
+     * @param { SceneFeatureType } featureType - Feature type.
+     * @param { AsyncCallback<SceneFeatureDetectionResult> } callback - Callback used to get the detection result.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onFeatureDetection(type: 'featureDetection', featureType: SceneFeatureType, callback: AsyncCallback<SceneFeatureDetectionResult>): void;
+
+    /**
+     * Subscribes to effect suggestion event callback.
+     *
+     * @param { 'effectSuggestionChange' } type - Event type.
+     * @param { AsyncCallback<EffectSuggestionType> } callback - Callback used to return the result.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onEffectSuggestionChange(type: 'effectSuggestionChange', callback: AsyncCallback<EffectSuggestionType>): void;
+
+    /**
+     * Registers a listener for the camera's automatic lens switching state changes to get the result
+     * by registering a callback function. This API uses an asynchronous callback to return the result.
+     * 
+     * Description: Currently, it is not allowed to use off() to unregister the callback
+     * within the callback method of on().
+     *
+     * @param { 'autoDeviceSwitchStatusChange' } type - Event type.
+     * @param { AsyncCallback<AutoDeviceSwitchStatus> } callback - Callback used to return the result.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    onAutoDeviceSwitchStatusChange(type: 'autoDeviceSwitchStatusChange', callback: AsyncCallback<AutoDeviceSwitchStatus>): void;
+
+    /**
+     * Subscribes to lcd flash status.
+     *
+     * @param { 'lcdFlashStatus' } type - Event type.
+     * @param { AsyncCallback<LcdFlashStatus> } callback - Callback used to get the lcd flash status.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onLcdFlashStatus(type: 'lcdFlashStatus', callback: AsyncCallback<LcdFlashStatus>): void;
+
+    /**
+    * @since 20
+    * @arkts 1.2
+    */
+    overload off { offError, offFocusStateChange, offSmoothZoomInfoAvailable, offMacroStatusChanged,
+      offFeatureDetection, offEffectSuggestionChange, offAutoDeviceSwitchStatusChange, offLcdFlashStatus };
+
+    /**
+     * Unsubscribes from error events.
+     *
+     * @param { 'error' } type - Event type.
+     * @param { ErrorCallback } callback - Callback used to get the capture session errors.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    offError(type: 'error', callback?: ErrorCallback): void;
+
+    /**
+     * Unsubscribes from focus state change event callback.
+     *
+     * @param { 'focusStateChange' } type - Event type.
+     * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    offFocusStateChange(type: 'focusStateChange', callback?: AsyncCallback<FocusState>): void;
+
+    /**
+     * Unsubscribes from zoom info event callback.
+     *
+     * @param { 'smoothZoomInfoAvailable' } type - Event type.
+     * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    offSmoothZoomInfoAvailable(type: 'smoothZoomInfoAvailable', callback?: AsyncCallback<SmoothZoomInfo>): void;
+
+    /**
+     * Unsubscribes camera macro status event callback.
+     *
+     * @param { 'macroStatusChanged' } type - Event type.
+     * @param { AsyncCallback<boolean> } callback - Callback used to return the result.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offMacroStatusChanged(type: 'macroStatusChanged', callback?: AsyncCallback<boolean>): void;
+
+    /**
+     * Unsubscribes from feature detection result.
+     *
+     * @param { 'featureDetection' } type - Event type.
+     * @param { SceneFeatureType } featureType - Feature type.
+     * @param { AsyncCallback<SceneFeatureDetectionResult> } callback - Callback used to get the detection result.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offFeatureDetection(type: 'featureDetection', featureType: SceneFeatureType, callback?: AsyncCallback<SceneFeatureDetectionResult>): void;
+
+    /**
+     * Unsubscribes from effect suggestion event callback.
+     *
+     * @param { 'effectSuggestionChange' } type - Event type.
+     * @param { AsyncCallback<EffectSuggestionType> } callback - Callback used to return the result.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offEffectSuggestionChange(type: 'effectSuggestionChange', callback?: AsyncCallback<EffectSuggestionType>): void;
+
+    /**
+     * Unsubscribes to auto device switch status event callback.
+     *
+     * @param { 'autoDeviceSwitchStatusChange' } type - Event type.
+     * @param { AsyncCallback<AutoDeviceSwitchStatus> } callback - Callback used to return the result.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    offAutoDeviceSwitchStatusChange(type: 'autoDeviceSwitchStatusChange', callback?: AsyncCallback<AutoDeviceSwitchStatus>): void;
+
+    /**
+     * Unsubscribes from lcd flash status.
+     *
+     * @param { 'lcdFlashStatus' } type - Event type.
+     * @param { AsyncCallback<LcdFlashStatus> } callback - Callback used to get the lcd flash status.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offLcdFlashStatus(type: 'lcdFlashStatus', callback?: AsyncCallback<LcdFlashStatus>): void;
+
     /**
      * Gets session functions.
      *