(command.CommandList
  children: [
    (command.AndOr
      ops: [Op_DAmp]
      children: [
        (C {(Lit_Other '[')} 
          {
            (word_part.BracedVarSub
              token: <VSub_Name CALLABLE_SH>
              suffix_op: (suffix_op.StringUnary op_id:VTest_Plus arg_word:{(true)})
              spids: [9 13]
            )
          } {(Lit_Other ']')}
        )
        (command.ControlFlow token:<ControlFlow_Return return>)
      ]
    )
    (command.Assignment
      keyword: Assign_Declare
      flags: [-g]
      pairs: [
        (assign_pair
          lhs: (lhs_expr.LhsName name:CALLABLE_SH spids:[25])
          op: Equal
          rhs: {(true)}
          spids: [25]
        )
      ]
      spids: [21]
    )
    (C {(.)} 
      {
        (word_part.BracedVarSub
          token: <VSub_Name BASH_SOURCE>
          suffix_op: (suffix_op.StringUnary op_id:VOp1_Percent arg_word:{(Lit_Slash /) ('*')})
          spids: [31 36]
        ) (/common.sh)
      }
    )
    (C {(.)} 
      {
        (word_part.BracedVarSub
          token: <VSub_Name BASH_SOURCE>
          suffix_op: (suffix_op.StringUnary op_id:VOp1_Percent arg_word:{(Lit_Slash /) ('*')})
          spids: [41 46]
        ) (/variables.sh)
      }
    )
    (C {(.)} 
      {
        (word_part.BracedVarSub
          token: <VSub_Name BASH_SOURCE>
          suffix_op: (suffix_op.StringUnary op_id:VOp1_Percent arg_word:{(Lit_Slash /) ('*')})
          spids: [51 56]
        ) (/variables.linkedlist.sh)
      }
    )
    (C {(variable) (Lit_Other ':') (Lit_Other ':') (type) (Lit_Other ':') (Lit_Other ':') (define)} 
      {(Callable)}
    )
    (C {(variable) (Lit_Other ':') (Lit_Other ':') (type) (Lit_Other ':') (Lit_Other ':') (define)} 
      {(Function)} {(Callable)}
    )
    (C {(variable) (Lit_Other ':') (Lit_Other ':') (type) (Lit_Other ':') (Lit_Other ':') (define)} 
      {(BuiltinFunction)} {(Function)}
    )
    (C {(variable) (Lit_Other ':') (Lit_Other ':') (type) (Lit_Other ':') (Lit_Other ':') (define)} 
      {(Macro)} {(Callable)}
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Lit_Other '[')} {($ VSub_Number '$0')} {(KW_Bang '!') (Lit_Other '=')} 
                  {($ VSub_DollarName '$BASH_SOURCE')} {(Lit_Other ']')}
                )
              terminator: <Op_Semi ';'>
            )
          ]
          action: [(command.ControlFlow token:<ControlFlow_Return return>)]
          spids: [16777215 128]
        )
      ]
      spids: [16777215 133]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (command.AndOr
                  ops: [Op_DAmp]
                  children: [
                    (C {(Lit_Other '[')} 
                      {
                        (word_part.BracedVarSub
                          token: <VSub_Number 1>
                          suffix_op: (suffix_op.StringUnary op_id:VTest_Plus arg_word:{(isset)})
                          spids: [145 149]
                        )
                      } {(Lit_Other ']')}
                    )
                    (C {(Lit_Other '[')} {(DQ ($ VSub_Number '$1'))} {(Lit_Other '=') (Lit_Other '=')} 
                      {(DQ (debug))} {(Lit_Other ']')}
                    )
                  ]
                )
              terminator: <Op_Semi ';'>
            )
          ]
          action: [(C {(variable) (Lit_Other ':') (Lit_Other ':') (printMetadata)})]
          spids: [16777215 171]
        )
      ]
      spids: [16777215 180]
    )
  ]
)