pub unsafe fn WsSetOutput(
    writer: *const WS_XML_WRITER,
    encoding: Option<*const WS_XML_WRITER_ENCODING>,
    output: Option<*const WS_XML_WRITER_OUTPUT>,
    properties: Option<&[WS_XML_WRITER_PROPERTY]>,
    error: Option<*const WS_ERROR>
) -> Result<()>