"""Implemented in a package extension with Hecke."""
function check_repr_commutation_relation end

"""Implemented in a package extension with Hecke."""
function check_repr_regular_linear end

"""Implemented as a package extension with Hecke. Check the [QuantumClifford documentation](http://qc.quantumsavory.org/stable/ECC_API/) for more details on that extension."""
function random_qc_ghp_code_matrix_A end
