code: public ParticipantIdentity getParticipantIdentity(Participant participant) {
  		if (participantIdentities != null) {
  			for (ParticipantIdentity participantIdentity : participantIdentities) {
  				if (participant.getParticipantId() == participantIdentity.getParticipantId()) {
  					return participantIdentity;
  				}
  			}
  		}
  		
  		return null;
  	}
docs: Converts a {@link Participant} from {{@link #getParticipants()} to a
  {@link ParticipantIdentity}.
  
  @param participant {@link Participant} from {@link #getParticipants()}
  @return {@link ParticipantIdentity} that corresponds to this {@link Participant}