ss="return-type">org.apache.tinkerpop.gremlin.process.traversal.Traverser.Admin&lt;<a href="SqlgUnionStepBarrier.html" title="type parameter in SqlgUnionStepBarrier">E</a>&gt;</span>&nbsp;<span class="element-name">processNextStart</span>()
                                                                                      throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/NoSuchElementException.html" title="class or interface in java.util" clas