| callback | callback: AsyncCallback<number> | Yes | Callback used to return the system space obtained.|
**Example**
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@@ -467,15 +467,15 @@ This is a system API and cannot be called by third-party applications.
**Parameters**
| Name | Type | Mandatory| Description|
| ---------- | ------ | ---- | ---- |
| userId | number | No | User ID.<br>Value:<br>- Set this parameter to the ID of the user to be queried.<br>- If no value is specified, information about the current user is queried.|
| Name | Type | Mandatory| Description|
| ---------- | ------ | ---- | ---- |
| userId | number | No | User ID.<br>Value:<br>- Set this parameter to the ID of the user to be queried.<br>- If no value is specified, information about the current user is queried.|
**Return value**
| Type | Description |
| --------------------- | ---------------- |
| Promise<[StorageStats](#storagestats9)> | Promise used to return the information obtained.|
| Type | Description |
| --------------------- | ---------------- |
| Promise<[StorageStats](#storagestats)> | Promise used to return the information obtained.|
**Example**
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@@ -490,7 +490,7 @@ This is a system API and cannot be called by third-party applications.
| userId | number | No | User ID.<br>Value:<br>- Set this parameter to the ID of the user to be queried.<br>- If no value is specified, information about the current user is queried. |
| callback | callback:AsyncCallback<[StorageStats](#storagestats9)> | Yes | Callback invoked to return the information obtained.|
| userId | number | No | User ID.<br>Value:<br>- Set this parameter to the ID of the user to be queried.<br>- If no value is specified, information about the current user is queried. |
| callback | callback: AsyncCallback<[StorageStats](#storagestats)> | Yes | Callback invoked to return the information obtained.|