@API(status = API.Status.STABLE)
    public boolean isCommandRegistrationAllowed() {
        return this.settings().get(ManagerSetting.ALLOW_UNSAFE_REGISTRATION)
                || this.state.get() != RegistrationState.AFTER_REGISTRATION;
    }
Check if command registration is allowed.
<p>
On platforms where unsafe registration is possible, this can be overridden by enabling the
{@link ManagerSetting#ALLOW_UNSAFE_REGISTRATION} setting.

@return {@code true} if the registration is allowed, else {@code false}
cloud-core/src/main/java/org/incendo/cloud/CommandManager.java