/usr/ is in libcogl-gles2-dev 1.16.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/cogl/
/usr/include/cogl/cogl-gles2/
/usr/include/cogl/cogl-gles2/GLES2/
/usr/include/cogl/cogl-gles2/GLES2/gl2platform.h
/usr/include/cogl/cogl-gles2/GLES2/gl2.h
/usr/include/cogl/cogl-gles2/GLES2/gl2ext.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/cogl-gles2-experimental.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libcogl-gles2-dev/
/usr/share/doc/libcogl-gles2-dev/copyright
/usr/lib/x86_64-linux-gnu/libcogl-gles2.so
/usr/share/doc/libcogl-gles2-dev/NEWS.gz
/usr/share/doc/libcogl-gles2-dev/README.gz
/usr/share/doc/libcogl-gles2-dev/changelog.Debian.gz