/// Contains the [`DomainParticipant`](crate::domain::domain_participant::DomainParticipant) and any related objects.
/// Contains the [`DomainParticipantFactory`](crate::domain::domain_participant_factory::DomainParticipantFactory) and any related objects.
/// Contains the [`DomainParticipantListener`](crate::domain::domain_participant_listener::DomainParticipantListener) trait.