/* define a microphysical process */
template <typename P>
concept MicrophysicalProcess =
    requires(P p, TeamMember &tm, unsigned int t, view_supers supers,
             State &state, NullMonitor mo) {
      { p.next_step(t) } -> std::convertible_to<unsigned int>;
      { p.on_step(t) } -> std::same_as<bool>;
      { p.run_step(tm, t, supers, state, mo) } -> std::same_as<void>;
    };