closure method
void
closure()
Implementation
void closure(
ATNConfig config,
ATNConfigSet configs,
Set<ATNConfig> closureBusy,
bool collectPredicates,
bool fullCtx,
bool treatEofAsEpsilon) {
final initialDepth = 0;
closureCheckingStopState(config, configs, closureBusy, collectPredicates,
fullCtx, initialDepth, treatEofAsEpsilon);
assert(!fullCtx || !configs.dipsIntoOuterContext);
}