Esperanto.Olx.Parsers.ChoiceHint.ChoiceHintBarrier.should_bar

You're seeing just the function should_bar, go back to Esperanto.Olx.Parsers.ChoiceHint.ChoiceHintBarrier module for more information.
Link to this function

should_bar(walker)

Callback implementation for Esperanto.Barrier.should_bar/1.