code: def enter(self, node, key, parent, path, ancestors):
      for i, visitor in enumerate(self.visitors):
          if not self.skipping[i]:
              result = visitor.enter(node, key, parent, path, ancestors)
              if result is False:
                  self.skipping[i] = node
              elif result is BREAK:
                  self.skipping[i] = BREAK
              elif result is not None:
                  return result
  
imports: from copy import copy
  from .None import ast
  from .visitor_meta import QUERY_DOCUMENT_KEYS, VisitorMeta
label_desc: Use image node_id 2 for calling the ParallelVisitor obj's underlying member method code with example usage: obj.enter(node, key, parent, path, ancestors) and returns: result