001package org.biopax.paxtools.model.level2; 002 003import java.util.Set; 004 005/** 006 * marker interface for entities and PEPs 007 */ 008public interface InteractionParticipant extends Level2Element 009{ 010// -------------------------- OTHER METHODS -------------------------- 011 012 /** 013 * This method returns the interaction that this entity/pep takes part in. 014 * Contents of this set should not be modified. 015 * 016 * @return a set of interactions that 017 */ 018 Set<interaction> isPARTICIPANTSof(); 019}