parameters: (self, objectname, valuetype)
return_statement: return []
docstring: returns fields for a specific object
docstring_summary: returns fields for a specific object
docstring_tokens: returns fields for a specific object
function: def get_field_values(self, objectname, valuetype):
          """returns fields for a specific object"""
          return []
function_tokens: def get_field_values ( self , objectname , valuetype ) : return [ ]