code: def test_BBRegister_inputs():
      input_map_5_3 = dict(
          args=dict(argstr="%s"),
          contrast_type=dict(argstr="--%s", mandatory=True),
          dof=dict(argstr="--%d"),
          environ=dict(nohash=True, usedefault=True),
          epi_mask=dict(argstr="--epi-mask"),
          fsldof=dict(argstr="--fsl-dof %d"),
          init=dict(
              argstr="--init-%s", mandatory=True, xor=["init_reg_file"]
          ),
          init_cost_file=dict(argstr="--initcost %s"),
          init_reg_file=dict(
              argstr="--init-reg %s", mandatory=True, xor=["init"]
          ),
          intermediate_file=dict(argstr="--int %s"),
          out_fsl_file=dict(argstr="--fslmat %s"),
          out_lta_file=dict(argstr="--lta %s", min_ver="5.2.0"),
          out_reg_file=dict(argstr="--reg %s", genfile=True),
          reg_frame=dict(argstr="--frame %d", xor=["reg_middle_frame"]),
          reg_middle_frame=dict(
              argstr="--mid-frame", xor=["reg_frame"]
          ),
          registered_file=dict(argstr="--o %s"),
          source_file=dict(
              argstr="--mov %s", copyfile=False, mandatory=True
          ),
          spm_nifti=dict(argstr="--spm-nii"),
          subject_id=dict(argstr="--s %s", mandatory=True),
          subjects_dir=dict(),
      )
      input_map_6_0 = dict(
          args=dict(argstr="%s"),
          contrast_type=dict(argstr="--%s", mandatory=True),
          dof=dict(argstr="--%d"),
          environ=dict(nohash=True, usedefault=True),
          epi_mask=dict(argstr="--epi-mask"),
          fsldof=dict(argstr="--fsl-dof %d"),
          init=dict(argstr="--init-%s", xor=["init_reg_file"]),
          init_reg_file=dict(argstr="--init-reg %s", xor=["init"]),
          init_cost_file=dict(argstr="--initcost %s"),
          intermediate_file=dict(argstr="--int %s"),
          out_fsl_file=dict(argstr="--fslmat %s"),
          out_lta_file=dict(argstr="--lta %s", min_ver="5.2.0"),
          out_reg_file=dict(argstr="--reg %s", genfile=True),
          reg_frame=dict(argstr="--frame %d", xor=["reg_middle_frame"]),
          reg_middle_frame=dict(
              argstr="--mid-frame", xor=["reg_frame"]
          ),
          registered_file=dict(argstr="--o %s"),
          source_file=dict(
              argstr="--mov %s", copyfile=False, mandatory=True
          ),
          spm_nifti=dict(argstr="--spm-nii"),
          subject_id=dict(argstr="--s %s", mandatory=True),
          subjects_dir=dict(),
      )
  
      instance = BBRegister()
      if isinstance(instance.inputs, BBRegisterInputSpec6):
          input_map = input_map_6_0
      else:
          input_map = input_map_5_3
  
      for key, metadata in list(input_map.items()):
          for metakey, value in list(metadata.items()):
              assert (
                  getattr(instance.inputs.traits()[key], metakey)
                  == value
              )
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_BBRegister_inputs() without return types