How to use the yq.dumper.get_dumper function in yq

loader = get_loader(use_annotations=use_annotations)
                    input_docs.extend(yaml.load_all(input_stream, Loader=loader))
                elif input_format == "xml":
                    import xmltodict
                    input_docs.append(xmltodict.parse(input_stream.read(), disable_entities=True))
                elif input_format == "toml":
                    import toml
                    input_docs.append(toml.load(input_stream))
                else:
                    raise Exception("Unknown input format")
            input_payload = "\n".join(json.dumps(doc, cls=JSONDateTimeEncoder) for doc in input_docs)
            jq_out, jq_err = jq.communicate(input_payload)
            json_decoder = json.JSONDecoder(object_pairs_hook=OrderedDict)
            if output_format == "yaml" or output_format == "annotated_yaml":
                yaml.dump_all(decode_docs(jq_out, json_decoder), stream=output_stream,
                              Dumper=get_dumper(use_annotations=use_annotations, indentless=indentless_lists),
                              width=width, allow_unicode=True, default_flow_style=False)
            elif output_format == "xml":
                import xmltodict
                for doc in decode_docs(jq_out, json_decoder):
                    if xml_root:
                        doc = {xml_root: doc}
                    elif not isinstance(doc, OrderedDict):
                        msg = ("{}: Error converting JSON to XML: cannot represent non-object types at top level. "
                               "Use --xml-root=name to envelope your output with a root element.")
                        exit_func(msg.format(program_name))
                    full_document = True if xml_dtd else False
                    try:
                        xmltodict.unparse(doc, output=output_stream, full_document=full_document, pretty=True,
                                          indent="  ")
                    except ValueError as e:
                        if "Document must have exactly one root" in str(e):