class_docstr: Tsurgeon context window
  
  This is a context window which keeps a process open.  Should allow
  for multiple requests without launching new java processes each time.
class_docstr_tok: ["Tsurgeon","context","window","This","is","a","context","window","which","keeps","a","process","open",".","Should","allow","for","multiple","requests","without","launching","new","java","processes","each","time","."]
code: def process(self, trees, *operations):
      request = build_request(trees, operations)
      result = self.process_request(request)
      return [from_tree(t)[0] for t in result.trees]
  
file_path: stanza/stanza/server/tsurgeon.py
imports: from stanza.models.constituency import tree_reader
  from stanza.models.constituency.parse_tree import Tree
  from stanza.protobuf import TsurgeonRequest, TsurgeonResponse
  from stanza.server.java_protobuf_requests import send_request, build_tree, from_tree, JavaProtobufContext
label_desc: Use image node_id 2 for calling the Tsurgeon obj's underlying member method code with example usage: obj.process(trees) and returns: unknown