code: def need_more_events(self):
      if not self.events:
          return True
      event = self.events[0]
      if isinstance(event, DocumentStartEvent):
          return self.need_events(1)
      elif isinstance(event, SequenceStartEvent):
          return self.need_events(2)
      elif isinstance(event, MappingStartEvent):
          return self.need_events(3)
      else:
          return False
  
imports: from .error import YAMLError
  from .events import *
label_desc: Use image node_id 4 for calling the Emitter obj's underlying member method code with example usage: obj.need_more_events() and returns: True, self, self, self, False