(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:BASE64_ENC)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:49)
                command_list: 
                  (command.CommandList
                    children: [
                      (command.Pipeline
                        children: [
                          (C {(cat)} {(nrconfig.env)})
                          (C {(base64)})
                          (C {(tr)} {(-d)} {(SQ (Token id:Id.Lit_Chars val:'\\n' span_id:65))})
                        ]
                        negated: F
                      )
                    ]
                  )
              )
            }
          spids: [48]
        )
      ]
    )
    (command.Simple
      words: [
        {(sed)}
        {(-e)}
        {(DQ ('s#{{config_data}}#') (${ Id.VSub_Name BASE64_ENC) ('#g'))}
        {(./newrelic-config-template.yaml)}
      ]
      redirects: [
        (redir.Redir
          op: (Token id:Id.Redir_Great val:'>' span_id:83)
          fd: -1
          arg_word: {(newrelic-config.yaml)}
        )
      ]
    )
  ]
)