val string_to_option : string -> string optionval unexpected : GdataCore.xml_data_model -> 'aval build_namespace_table : (string -> string) -> GdataCore.xml_data_model -> (string * string) listval append_namespaces : (string * string) list -> GdataCore.xml_data_model -> GdataCore.xml_data_modelval render_xml : Stdlib.Buffer.t -> GdataCore.xml_data_model -> unitval data_to_xml_string : ?buffer_size:int -> GdataCore.xml_data_model -> stringval parse_xml : ?strip:bool -> (unit -> int) -> (GdataCore.xml_data_model -> 'a) -> 'aval parse_xml_response : (GdataCore.xml_data_model -> 'a) -> GapiPipe.OcamlnetPipe.t -> 'a