(command.CommandList
  children: [
    (C {<_Dbg_help_add>} {<clear>} 
      {(SQ <'clear LINE\n'> <'\n'> <'clear all breakpoints at a line LINE.'>)} {<1>}
    )
    (command.ShFunction
      name: _Dbg_do_clear
      body: 
        (BraceGroup
          children: [
            (C {<_Dbg_do_clear_brkpt>} {($ Id.VSub_DollarName '$_Dbg_args')})
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:_Dbg_last_cmd)
                  op: assign_op.Equal
                  rhs: {(SQ <clear>)}
                  spids: [82]
                )
              ]
            )
            (command.ControlFlow
              token: <Id.ControlFlow_Return return>
              arg_word: {($ Id.VSub_QMark '$?')}
            )
          ]
        )
    )
    (C {<_Dbg_alias_add>} {<d>} {<clear>})
  ]
)