code: def leave_FragmentDefinition(self, node, *args):
      return (
          "fragment {} on {} ".format(node.name, node.type_condition)
          + wrap("", join(node.directives, " "), " ")
          + node.selection_set
      )
  
imports: import json
  from .visitor import Visitor, visit
label_desc: Use image node_id 11 for calling the PrintingVisitor obj's underlying member method code with example usage: obj.leave_FragmentDefinition(node) and returns: unknown