Mirrors the C++ enum DistributionType in
core/lattice/stdlatticeparms.h.
Value
A named list of 3 integer scalars, each the value of the
OpenFHE C++ enumerator of the same name, naming the secret
distribution a row of the HomomorphicEncryption.org standard
parameter tables applies to: HEStd_uniform, HEStd_error or
HEStd_ternary.
