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      children: [
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          {
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              token: <Id.VSub_Name SPECIALFORMS_LETSTAR_SH>
              suffix_op: (suffix_op.Unary op_id:Id.VTest_Plus arg_word:{<true>})
            )
          } {<Id.Lit_RBracket ']'>}
        )
        (command.ControlFlow token:<Id.ControlFlow_Return return>)
      ]
    )
    (C {<declare>} {<-g>} {<Id.Lit_VarLike 'SPECIALFORMS_LETSTAR_SH='> <true>})
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      {
        (braced_var_sub
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    )
    (C {<.>} 
      {
        (braced_var_sub
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    )
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      {
        (braced_var_sub
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      }
    )
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            )
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                        )
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                    )
                  action: [
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                    (command.ControlFlow
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                      arg_word: {<1>}
                    )
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                  spids: [181 194]
                )
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            (command.Sentence
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            )
            (C {<declare>} {<Id.Lit_VarLike 'bindings='> (${ Id.VSub_Name RESULT)})
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                    <Id.Lit_Colon ':'> <rest>
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              terminator: <Id.Op_Semi _>
            )
            (C {<declare>} {<Id.Lit_VarLike 'expressions='> (${ Id.VSub_Name RESULT)})
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              child: 
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                  {($ Id.VSub_DollarName '$env')}
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              terminator: <Id.Op_Semi _>
            )
            (C {<declare>} {<Id.Lit_VarLike 'runningEnv='> (DQ (${ Id.VSub_Name RESULT))})
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              cond: 
                (condition.Shell
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                        (command.Pipeline
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                              {<variable> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <LinkedList> 
                                <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <isEmpty_c>
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                            )
                          ]
                          negated: T
                        )
                      terminator: <Id.Op_Semi _>
                    )
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                )
              body: 
                (command.DoGroup
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                        (C 
                          {<variable> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <LinkedList> 
                            <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <first>
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                      terminator: <Id.Op_Semi _>
                    )
                    (command.ShAssignment
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                          lhs: (sh_lhs_expr.Name name:thisBinding)
                          op: assign_op.Equal
                          rhs: {(DQ (${ Id.VSub_Name RESULT))}
                          spids: [327]
                        )
                      ]
                    )
                    (command.Sentence
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                        (C 
                          {<variable> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <LinkedList> 
                            <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <rest>
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                        )
                      terminator: <Id.Op_Semi _>
                    )
                    (command.ShAssignment
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                          op: assign_op.Equal
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                          spids: [351]
                        )
                      ]
                    )
                    (C 
                      {<variable> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <LinkedList> <Id.Lit_Colon ':'> 
                        <Id.Lit_Colon ':'> <length>
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                    )
                    (command.If
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                                        (bool_expr.Binary
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                                          right: {<2>}
                                        )
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          action: [(C {<stderr>} {(DQ <'let binding must have exactly 2 elements'>)})]
                          spids: [375 392]
                        )
                      ]
                    )
                    (command.Sentence
                      child: 
                        (C 
                          {<variable> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <LinkedList> 
                            <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <index>
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                        )
                      terminator: <Id.Op_Semi _>
                    )
                    (command.ShAssignment
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                          op: assign_op.Equal
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                          spids: [425]
                        )
                      ]
                    )
                    (command.Sentence
                      child: 
                        (C 
                          {<variable> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <LinkedList> 
                            <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <index>
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                        )
                      terminator: <Id.Op_Semi _>
                    )
                    (command.ShAssignment
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                          op: assign_op.Equal
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                          spids: [451]
                        )
                      ]
                    )
                    (C {<evaluator> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <eval>} 
                      {($ Id.VSub_DollarName '$runningEnv')} {($ Id.VSub_DollarName '$thisValue')}
                    )
                    (C {<environment> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <setVariable>} 
                      {(DQ (${ Id.VSub_Name runningEnv))} {($ Id.VSub_DollarName '$thisKey')} {($ Id.VSub_DollarName '$RESULT')}
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                )
            )
            (C {<declare>} {<currentSexp>} {<currentResult>})
            (command.WhileUntil
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              cond: 
                (condition.Shell
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                      child: 
                        (command.Pipeline
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                              {<variable> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <LinkedList> 
                                <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <isEmpty_c>
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                            )
                          ]
                          negated: T
                        )
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                )
              body: 
                (command.DoGroup
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                      child: 
                        (C 
                          {<variable> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <LinkedList> 
                            <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <first>
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                        )
                      terminator: <Id.Op_Semi _>
                    )
                    (command.ShAssignment
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                          lhs: (sh_lhs_expr.Name name:currentSexp)
                          op: assign_op.Equal
                          rhs: {(${ Id.VSub_Name RESULT)}
                          spids: [539]
                        )
                      ]
                    )
                    (command.Sentence
                      child: 
                        (C 
                          {<variable> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <LinkedList> 
                            <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <rest>
                          } {(DQ (${ Id.VSub_Name expressions))}
                        )
                      terminator: <Id.Op_Semi _>
                    )
                    (command.ShAssignment
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                          lhs: (sh_lhs_expr.Name name:expressions)
                          op: assign_op.Equal
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                          spids: [561]
                        )
                      ]
                    )
                    (C {<evaluator> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <eval>} 
                      {($ Id.VSub_DollarName '$runningEnv')} {($ Id.VSub_DollarName '$currentSexp')}
                    )
                    (command.ShAssignment
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                          lhs: (sh_lhs_expr.Name name:currentResult)
                          op: assign_op.Equal
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                          spids: [577]
                        )
                      ]
                    )
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                )
            )
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                  op: assign_op.Equal
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                  spids: [586]
                )
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            )
          ]
        )
    )
    (command.If
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                      {<Id.KW_Bang '!'> <Id.Lit_Equals '='>} {($ Id.VSub_DollarName '$BASH_SOURCE')} {<Id.Lit_RBracket ']'>}
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                  terminator: <Id.Op_Semi _>
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              ]
            )
          action: [(command.ControlFlow token:<Id.ControlFlow_Return return>)]
          spids: [604 618]
        )
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                          {
                            (braced_var_sub
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                        )
                        (C {<Id.Lit_LBracket '['>} {(DQ ($ Id.VSub_Number '$1'))} 
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                        )
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          action: [(C {<variable> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <printMetadata>})]
          spids: [636 666]
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)