/usr/include/ is in libkf5kdcraw-dev 15.12.3-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/KF5/
/usr/include/KF5/libkdcraw_version.h
/usr/include/KF5/KDCRAW/
/usr/include/KF5/KDCRAW/kdcraw/
/usr/include/KF5/KDCRAW/kdcraw/libkdcraw_export.h
/usr/include/KF5/KDCRAW/kdcraw/kdcraw.h
/usr/include/KF5/KDCRAW/kdcraw/dcrawinfocontainer.h
/usr/include/KF5/KDCRAW/kdcraw/rawfiles.h
/usr/include/KF5/KDCRAW/kdcraw/rawdecodingsettings.h
/usr/include/KF5/KDCRAW/KDCRAW/
/usr/include/KF5/KDCRAW/KDCRAW/DcrawInfoContainer
/usr/include/KF5/KDCRAW/KDCRAW/KDcraw
/usr/include/KF5/KDCRAW/KDCRAW/RawFiles
/usr/include/KF5/KDCRAW/KDCRAW/RawDecodingSettings