The ordered set of non-empty base paths to search for configuration files, in descending order of preference.
Subfolder which is appended to every path if not null.
Config directories, without user's one and with no duplicates. Note: This function does not check if paths actually exist and appear to be directories.
xdgAllConfigDirs, xdgConfigHome
See Implementation
The ordered set of non-empty base paths to search for configuration files, in descending order of preference.