Watchface APIhmFS File System ModulecloseVersion: v3.xcloseClose fileType(fileId: number) => resultParametersfileIdDescriptionTypeFile handle, returned when the file is openednumberresultDescriptionTyperesult, 0 get successnumberCode exampleconst fileId = hmFS.open("test_file.txt", hmFS.O_RDWR | hmFS.O_CREAT)//Close filehmFS.close(fileId)