class_docstr: Subclass for formatting data in XML.
  
  Parameters
  ----------
  path_or_buffer : str or file-like
      This can be either a string of raw XML, a valid URL,
      file or file-like object.
  
  index : bool
      Whether to include index in xml document.
  
  row_name : str
      Name for root of xml document. Default is 'data'.
  
  root_name : str
      Name for row elements of xml document. Default is 'row'.
  
  na_rep : str
      Missing data representation.
  
  attrs_cols : list
      List of columns to write as attributes in row element.
  
  elem_cols : list
      List of columns to write as children in row element.
  
  namespaces : dict
      The namespaces to define in XML document as dicts with key
      being namespace and value the URI.
  
  prefix : str
      The prefix for each element in XML document including root.
  
  encoding : str
      Encoding of xml object or document.
  
  xml_declaration : bool
      Whether to include xml declaration at top line item in xml.
  
  pretty_print : bool
      Whether to write xml document with line breaks and indentation.
  
  stylesheet : str or file-like
      A URL, file, file-like object, or a raw string containing XSLT.
  
  {compression_options}
  
      .. versionchanged:: 1.4.0 Zstandard support.
  
  {storage_options}
  
  See also
  --------
  pandas.io.formats.xml.EtreeXMLFormatter
  pandas.io.formats.xml.LxmlXMLFormatter
docstr: Adjust Data Frame to fit xml output.
  
  This method will adjust underlying data frame for xml output,
  including optionally replacing missing values and including indexes.
docstr_tok: ["Adjust","Data","Frame","to","fit","xml","output",".","This","method","will","adjust","underlying","data","frame","for","xml","output",",","including","optionally","replacing","missing","values","and","including","indexes","."]
code: def process_dataframe(self) -> dict[int | str, dict[str, Any]]:
      """
      Adjust Data Frame to fit xml output.
  
      This method will adjust underlying data frame for xml output,
      including optionally replacing missing values and including indexes.
      """
  
      df = self.frame
  
      if self.index:
          df = df.reset_index()
  
      if self.na_rep is not None:
          df = df.fillna(self.na_rep)
  
      return df.to_dict(orient="index")
  
imports: from __future__ import annotations
  import codecs
  import io
  from typing import TYPE_CHECKING, Any
  from pandas._typing import CompressionOptions, FilePath, ReadBuffer, StorageOptions, WriteBuffer
  from pandas.errors import AbstractMethodError
  from pandas.util._decorators import doc
  from pandas.core.dtypes.common import is_list_like
  from pandas.core.dtypes.missing import isna
  from pandas.core.shared_docs import _shared_docs
  from pandas.io.common import get_handle
  from pandas.io.xml import get_data_from_filepath, preprocess_data
label_desc: Use image node_id 5 for calling the BaseXMLFormatter obj's underlying member method code with example usage: obj.process_dataframe() and returns: df