Here is a list of all documented namespace variables with links to the namespaces they belong to:

atomic_rad : tblite_data_atomicrad
born_kernel : tblite_solvation_alpb
coulomb_kernel : tblite_coulomb_charge
default_kcn : tblite_ncoord_erf, tblite_ncoord_erf_en, tblite_ncoord_exp
grid_size : tblite_mesh_lebedev
ka : tblite_ncoord_gfn
label : tblite_solvation_alpb, tblite_solvation_cpcm, tblite_spin
lapack_algorithm : tblite_lapack_solver
pauling_en : tblite_data_paulingen
tblite_version_compact : tblite_version
tblite_version_string : tblite_version
thr : tblite_wignerseitz
tolsesp : tblite_solvation_surface