libcaja-extension1-dbg 1.12.1-1 (i386 binary) in ubuntu xenial

 Caja is the official file manager for the MATE desktop. It allows one
 to browse directories, preview files and launch applications associated
 with them. It is also responsible for handling the icons on the MATE
 desktop. It works on local and remote filesystems.
 .
 This package contains debugging symbols for Caja's extension
 libraries.
 .
 The debugging symbols are installed in /usr/lib/debug and will
 automatically be used by gdb.