How to use

EpsilonTransition

in

org.antlr.v4.runtime.atn

case Transition.EPSILON : return new EpsilonTransition(target);
case Transition.RANGE :
  if (arg3 != 0) {

int outermostPrecedenceReturn = ((EpsilonTransition)t).outermostPrecedenceReturn();
if (outermostPrecedenceReturn == _dfa.atnStartState.ruleIndex) {
  c.setPrecedenceFilterSuppressed(true);

protected void epsilon(ATNState a, @NotNull ATNState b, boolean prepend) {
  for (Transition t : a.getTransitions()) {
    if (t.getSerializationType() != Transition.EPSILON) {
      continue;
    }
    if (t.target == b && ((EpsilonTransition)t).outermostPrecedenceReturn() == -1) {
      // This transition was already added
      return;
    }
  }
  if ( a!=null ) {
    int index = prepend ? 0 : a.getNumberOfTransitions();
    a.addTransition(index, new EpsilonTransition(b));
  }
}

ATNState intermediate = transition.target;
if (transition.getSerializationType() != Transition.EPSILON
  || ((EpsilonTransition)transition).outermostPrecedenceReturn() != -1
  || intermediate.getStateType() != ATNState.BASIC
  || !intermediate.onlyHasEpsilonTransitions())
    || ((EpsilonTransition)intermediate.getOptimizedTransition(j)).outermostPrecedenceReturn() != -1)
  optimizedTransitions.add(new EpsilonTransition(target));

EpsilonTransition returnTransition = new EpsilonTransition(ruleTransition.followState, outermostPrecedenceReturn);
atn.ruleToStopState[ruleTransition.target.ruleIndex].addTransition(returnTransition);
atn.ruleToStartState[i].addTransition(new EpsilonTransition(bypassStart));
bypassStop.addTransition(new EpsilonTransition(endState));
bypassStart.addTransition(new EpsilonTransition(matchState));

if (epsilonTransition.outermostPrecedenceReturn() != -1) {
  continue;

protected void epsilon(ATNState a, ATNState b, boolean prepend) {
  if ( a!=null ) {
    int index = prepend ? 0 : a.getNumberOfTransitions();
    a.addTransition(index, new EpsilonTransition(b));
  }
}

int outermostPrecedenceReturn = ((EpsilonTransition)t).outermostPrecedenceReturn();
if (outermostPrecedenceReturn == _dfa.atnStartState.ruleIndex) {
  c.setPrecedenceFilterSuppressed(true);

protected void epsilon(ATNState a, ATNState b, boolean prepend) {
  if ( a!=null ) {
    int index = prepend ? 0 : a.getNumberOfTransitions();
    a.addTransition(index, new EpsilonTransition(b));
  }
}

int outermostPrecedenceReturn = ((EpsilonTransition)t).outermostPrecedenceReturn();
if (outermostPrecedenceReturn == _dfa.atnStartState.ruleIndex) {
  c.setPrecedenceFilterSuppressed(true);

protected void epsilon(ATNState a, ATNState b, boolean prepend) {
  if ( a!=null ) {
    int index = prepend ? 0 : a.getNumberOfTransitions();
    a.addTransition(index, new EpsilonTransition(b));
  }
}

int outermostPrecedenceReturn = ((EpsilonTransition)t).outermostPrecedenceReturn();
if (outermostPrecedenceReturn == _dfa.atnStartState.ruleIndex) {
  c.setPrecedenceFilterSuppressed(true);

protected void epsilon(ATNState a, ATNState b, boolean prepend) {
  if ( a!=null ) {
    int index = prepend ? 0 : a.getNumberOfTransitions();
    a.addTransition(index, new EpsilonTransition(b));
  }
}

int outermostPrecedenceReturn = ((EpsilonTransition)t).outermostPrecedenceReturn();
if (outermostPrecedenceReturn == dfa.atnStartState.ruleIndex) {
  c.setPrecedenceFilterSuppressed(true);

case Transition.EPSILON : return new EpsilonTransition(target);
case Transition.RANGE :
  if (arg3 != 0) {

case Transition.EPSILON : return new EpsilonTransition(target);
case Transition.RANGE :
  if (arg3 != 0) {

case Transition.EPSILON : return new EpsilonTransition(target);
case Transition.RANGE :
  if (arg3 != 0) {

case Transition.EPSILON : return new EpsilonTransition(target);
case Transition.RANGE :
  if (arg3 != 0) {

EpsilonTransition returnTransition = new EpsilonTransition(ruleTransition.followState, outermostPrecedenceReturn);
atn.ruleToStopState[ruleTransition.target.ruleIndex].addTransition(returnTransition);
atn.ruleToStartState[i].addTransition(new EpsilonTransition(bypassStart));
bypassStop.addTransition(new EpsilonTransition(endState));
bypassStart.addTransition(new EpsilonTransition(matchState));

EpsilonTransition transition = new EpsilonTransition(atn.states.get(returnTransition.getItem2()), returnTransition.getItem3());
atn.ruleToStopState[returnTransition.getItem1()].addTransition(transition);
  atn.ruleToStartState[i].addTransition(new EpsilonTransition(bypassStart));
  bypassStop.addTransition(new EpsilonTransition(endState));
  bypassStart.addTransition(new EpsilonTransition(matchState));