12-6-4 LJ parameters for ff14SB

GROMACS version: 2022
GROMACS modification: Yes/No
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Hi, just wondering if I modified the AMBER14SB forcefield to have custom lanthanide parameters from this paper: https://pubs.acs.org/doi/full/10.1021/acs.jctc.1c00898

Would gromacs read the 12-6-4 parameters or just parse it as standard 12-6 LJ potential?