liquibase-core/src/main/java/liquibase/structure/core/Table.java
public List<ForeignKey> getOutgoingForeignKeys() {
        List<ForeignKey> fkList = getAttribute("outgoingForeignKeys", List.class);
        return ((fkList == null) ? new ArrayList<ForeignKey>(0) : fkList);
    }
public List<ForeignKey> getOutgoingForeignKeys() {
        List<ForeignKey> fkList = getAttribute("outgoingForeignKeys", List.class);
        return ((fkList == null) ? new ArrayList<ForeignKey>(0) : fkList);
    }
Returns the list of all outgoing FOREIGN KEYS from this table