文件
获取文件元数据
client.beta.files.retrieveMetadata(fileID, params?, options?): BetaFileMetadataGET/v1/files/{file_id}
Deleted object type.
For file deletion, this is always "file_deleted".
ID of the deleted file.
The type of scope (e.g., "session").
The ID of the scoping resource (e.g., the session ID).