class_docstr: SingleDocumentRequest represents a request containing only 1 document, which is used for streaming endpoints.
  Similar to DataRequest but has a `document` field instead of `data`
docstr: Get the :class: `DocumentArray` with sequence `data.docs` as content.
  
  .. # noqa: DAR201
docstr_tok: ["Get","the",":","class",":","`","DocumentArray","`","with","sequence","`","data.docs","`","as","content",".","..","#","noqa",":","DAR201"]
code: def doc(self) -> "Document":
      """Get the :class: `DocumentArray` with sequence `data.docs` as content.
  
      .. # noqa: DAR201"""
      return self.data.doc
  
imports: import copy
  from typing import Dict, Optional, Type, TypeVar, Union
  from google.protobuf import json_format
  from jina._docarray import DocumentArray, Document, docarray_v2
  from jina.excepts import BadRequestType
  from jina.helper import random_identity, typename
  from jina.proto import jina_pb2
  from jina.types.request import Request
label_desc: Use image node_id 13 for calling the SingleDocumentRequest obj's underlying member method code with example usage: obj.doc() and returns: self