/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/ is in libpantomime1.2-dev 1.2.2+dfsg1-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWCacheManager.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWCharset.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWConnection.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWConstants.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWContainer.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWDNSManager.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWFlags.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWFolder.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWFolderInformation.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWIMAPCacheManager.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWIMAPFolder.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWIMAPMessage.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWIMAPStore.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_1.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_10.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_11.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_13.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_14.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_15.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_2.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_3.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_4.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_5.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_6.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_7.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_8.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWISO8859_9.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWInternetAddress.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWKOI8_R.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWKOI8_U.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWLocalCacheManager.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWLocalFolder+maildir.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWLocalFolder+mbox.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWLocalFolder.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWLocalMessage.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWLocalStore.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWMD5.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWMIMEMultipart.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWMIMEUtility.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWMessage.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWPOP3CacheManager.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWPOP3CacheObject.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWPOP3Folder.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWPOP3Message.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWPOP3Store.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWParser.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWPart.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWRegEx.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWSMTP.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWSendmail.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWService.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWStore.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWTCPConnection.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWTransport.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWURLName.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWUUFile.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWVirtualFolder.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWWINDOWS_1250.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWWINDOWS_1251.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWWINDOWS_1252.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWWINDOWS_1253.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/CWWINDOWS_1254.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/NSData+Extensions.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/NSFileManager+Extensions.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/NSScanner+Extensions.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/NSString+Extensions.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/Pantomime.h
/usr/include/GNUstep/Frameworks/Pantomime.framework/Versions/1.2/io.h