This file is indexed.

/usr/share/gromacs/shell-specific/gmx-completion-mdrun_mpi.mpich.bash is in gromacs-mpich 5.1.2-1ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

1
complete -o nospace -F _gmx_mdrun_compl mdrun_mpi.mpich