def _validate_dicts(
    initial_probabilities: Any,
    transition_probabilities: Any,
    emission_probabilities: Any,
) -> None:
    _validate_dict(initial_probabilities, "initial_probabilities", float)
    _validate_nested_dict(transition_probabilities, "transition_probabilities")
    _validate_nested_dict(emission_probabilities, "emission_probabilities")