class_docstr: Handle afni output type and version information.
docstr: Set default output filetype.
  
  AFNI has no environment variables, Output filetypes get set in command line calls
  Nipype uses ``AFNI`` as default
  
  
  Returns
  -------
  None
code: def outputtype(cls):
      """
      Set default output filetype.
  
      AFNI has no environment variables, Output filetypes get set in command line calls
      Nipype uses ``AFNI`` as default
  
  
      Returns
      -------
      None
  
      """
      return "AFNI"
  
imports: import os
  from sys import platform
  import shutil
  from looseversion import LooseVersion
  from ...None import logging
  from ...utils.filemanip import split_filename, fname_presuffix
  from ..base import CommandLine, traits, CommandLineInputSpec, isdefined, File, TraitedSpec, PackageInfo
  from ...external.due import BibTeX
label_desc: Use image node_id 3 for calling the Info obj's underlying member method code with example usage: obj.outputtype(cls) and returns: str