Function(
 Function {
  head: Destructured(
   FunctionHeadDestructured {
    ellipsis: true,
    identifier: None,
    arguments: [
     FunctionHeadDestructuredArgument {
      identifier: "config",
      default: None,
     },
     FunctionHeadDestructuredArgument {
      identifier: "lib",
      default: None,
     },
     FunctionHeadDestructuredArgument {
      identifier: "pkgs",
      default: None,
     },
    ],
   },
  ),
  body: With(
   With {
    expression: Identifier(
     Identifier {
      id: "lib",
      span: Span {
       start: Position {
        line: 3,
        column: 6,
       },
       end: Position {
        line: 3,
        column: 9,
       },
      },
     },
    ),
    target: LetIn(
     LetIn {
      bindings: [
       KeyValue(
        BindingKeyValue {
         from: [
          Raw(
           PartRaw {
            content: "name",
            span: Span {
             start: Position {
              line: 7,
              column: 3,
             },
             end: Position {
              line: 7,
              column: 7,
             },
            },
           },
          ),
         ],
         to: String(
          String_ {
           parts: [
            Raw(
             PartRaw {
              content: "maddy",
              span: Span {
               start: Position {
                line: 7,
                column: 11,
               },
               end: Position {
                line: 7,
                column: 16,
               },
              },
             },
            ),
           ],
           span: Span {
            start: Position {
             line: 7,
             column: 10,
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            end: Position {
             line: 7,
             column: 17,
            },
           },
          },
         ),
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       ),
       KeyValue(
        BindingKeyValue {
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          Raw(
           PartRaw {
            content: "cfg",
            span: Span {
             start: Position {
              line: 9,
              column: 3,
             },
             end: Position {
              line: 9,
              column: 6,
             },
            },
           },
          ),
         ],
         to: PropertyAccess(
          PropertyAccess {
           expression: Identifier(
            Identifier {
             id: "config",
             span: Span {
              start: Position {
               line: 9,
               column: 9,
              },
              end: Position {
               line: 9,
               column: 15,
              },
             },
            },
           ),
           attribute_path: [
            Raw(
             PartRaw {
              content: "services",
              span: Span {
               start: Position {
                line: 9,
                column: 16,
               },
               end: Position {
                line: 9,
                column: 24,
               },
              },
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            Raw(
             PartRaw {
              content: "maddy",
              span: Span {
               start: Position {
                line: 9,
                column: 25,
               },
               end: Position {
                line: 9,
                column: 30,
               },
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            ),
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           default: None,
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       ),
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           PartRaw {
            content: "defaultConfig",
            span: Span {
             start: Position {
              line: 11,
              column: 3,
             },
             end: Position {
              line: 11,
              column: 16,
             },
            },
           },
          ),
         ],
         to: IndentedString(
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           parts: [
            Raw(
             PartRaw {
              content: "# Minimal configuration with TLS disabled, adapted from upstream example\n# configuration here https://github.com/foxcpp/maddy/blob/master/maddy.conf\n# Do not use this in production!\n\ntls off\n\nauth.pass_table local_authdb {\n  table sql_table {\n    driver sqlite3\n    dsn credentials.db\n    table_name passwords\n  }\n}\n\nstorage.imapsql local_mailboxes {\n  driver sqlite3\n  dsn imapsql.db\n}\n\ntable.chain local_rewrites {\n  optional_step regexp \"(.+)\\+(.+)@(.+)\" \"$1@$3\"\n  optional_step static {\n    entry postmaster postmaster@$(primary_domain)\n  }\n  optional_step file /etc/maddy/aliases\n}\nmsgpipeline local_routing {\n  destination postmaster $(local_domains) {\n    modify {\n      replace_rcpt &local_rewrites\n    }\n    deliver_to &local_mailboxes\n  }\n  default_destination {\n    reject 550 5.1.1 \"User doesn't exist\"\n  }\n}\n\nsmtp tcp://0.0.0.0:25 {\n  limits {\n    all rate 20 1s\n    all concurrency 10\n  }\n  dmarc yes\n  check {\n    require_mx_record\n    dkim\n    spf\n  }\n  source $(local_domains) {\n    reject 501 5.1.8 \"Use Submission for outgoing SMTP\"\n  }\n  default_source {\n    destination postmaster $(local_domains) {\n      deliver_to &local_routing\n    }\n    default_destination {\n      reject 550 5.1.1 \"User doesn't exist\"\n    }\n  }\n}\n\nsubmission tcp://0.0.0.0:587 {\n  limits {\n    all rate 50 1s\n  }\n  auth &local_authdb\n  source $(local_domains) {\n    check {\n        authorize_sender {\n            prepare_email &local_rewrites\n            user_to_email identity\n        }\n    }\n    destination postmaster $(local_domains) {\n        deliver_to &local_routing\n    }\n    default_destination {\n        modify {\n            dkim $(primary_domain) $(local_domains) default\n        }\n        deliver_to &remote_queue\n    }\n  }\n  default_source {\n    reject 501 5.1.8 \"Non-local sender domain\"\n  }\n}\n\ntarget.remote outbound_delivery {\n  limits {\n    destination rate 20 1s\n    destination concurrency 10\n  }\n  mx_auth {\n    dane\n    mtasts {\n      cache fs\n      fs_dir mtasts_cache/\n    }\n    local_policy {\n        min_tls_level encrypted\n        min_mx_level none\n    }\n  }\n}\n\ntarget.queue remote_queue {\n  target &outbound_delivery\n  autogenerated_msg_domain $(primary_domain)\n  bounce {\n    destination postmaster $(local_domains) {\n      deliver_to &local_routing\n    }\n    default_destination {\n        reject 550 5.0.0 \"Refusing to send DSNs to non-local addresses\"\n    }\n  }\n}\n\nimap tcp://0.0.0.0:143 {\n  auth &local_authdb\n  storage &local_mailboxes\n}\n",
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               start: Position {
                line: 12,
                column: 1,
               },
               end: Position {
                line: 136,
                column: 3,
               },
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             },
            ),
           ],
           span: Span {
            start: Position {
             line: 11,
             column: 19,
            },
            end: Position {
             line: 136,
             column: 5,
            },
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       ),
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      target: Map(
       Map {
        recursive: false,
        bindings: [
         KeyValue(
          BindingKeyValue {
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             PartRaw {
              content: "options",
              span: Span {
               start: Position {
                line: 139,
                column: 3,
               },
               end: Position {
                line: 139,
                column: 10,
               },
              },
             },
            ),
           ],
           to: Map(
            Map {
             recursive: false,
             bindings: [
              KeyValue(
               BindingKeyValue {
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                 Raw(
                  PartRaw {
                   content: "services",
                   span: Span {
                    start: Position {
                     line: 140,
                     column: 5,
                    },
                    end: Position {
                     line: 140,
                     column: 13,
                    },
                   },
                  },
                 ),
                 Raw(
                  PartRaw {
                   content: "maddy",
                   span: Span {
                    start: Position {
                     line: 140,
                     column: 14,
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                    end: Position {
                     line: 140,
                     column: 19,
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                to: Map(
                 Map {
                  recursive: false,
                  bindings: [
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                    BindingKeyValue {
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                      Raw(
                       PartRaw {
                        content: "enable",
                        span: Span {
                         start: Position {
                          line: 142,
                          column: 7,
                         },
                         end: Position {
                          line: 142,
                          column: 13,
                         },
                        },
                       },
                      ),
                     ],
                     to: FunctionApplication(
                      FunctionApplication {
                       function: Identifier(
                        Identifier {
                         id: "mkEnableOption",
                         span: Span {
                          start: Position {
                           line: 142,
                           column: 16,
                          },
                          end: Position {
                           line: 142,
                           column: 30,
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                       arguments: [
                        FunctionApplication(
                         FunctionApplication {
                          function: PropertyAccess(
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                              span: Span {
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                                line: 142,
                                column: 32,
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                               end: Position {
                                line: 142,
                                column: 35,
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                            attribute_path: [
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                               span: Span {
                                start: Position {
                                 line: 142,
                                 column: 36,
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                                end: Position {
                                 line: 142,
                                 column: 41,
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                            default: None,
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                          arguments: [
                           String(
                            String_ {
                             parts: [
                              Raw(
                               PartRaw {
                                content: "Maddy, a free an open source mail server",
                                span: Span {
                                 start: Position {
                                  line: 142,
                                  column: 43,
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                                 end: Position {
                                  line: 142,
                                  column: 83,
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                          column: 11,
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                       function: Identifier(
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                          start: Position {
                           line: 144,
                           column: 14,
                          },
                          end: Position {
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                           column: 22,
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                       arguments: [
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                                 end: Position {
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                                  column: 16,
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                             to: String(
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                                  content: "maddy",
                                  span: Span {
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                                    line: 145,
                                    column: 20,
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                                    column: 25,
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                                  column: 9,
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                                 end: Position {
                                  line: 146,
                                  column: 13,
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                             to: With(
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                               expression: Identifier(
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                                 id: "types",
                                 span: Span {
                                  start: Position {
                                   line: 146,
                                   column: 21,
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                                  end: Position {
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                                   column: 26,
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                               target: FunctionApplication(
                                FunctionApplication {
                                 function: Identifier(
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                                     line: 146,
                                     column: 28,
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                                    end: Position {
                                     line: 146,
                                     column: 32,
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                                 arguments: [
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                                    id: "string",
                                    span: Span {
                                     start: Position {
                                      line: 146,
                                      column: 33,
                                     },
                                     end: Position {
                                      line: 146,
                                      column: 39,
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                                 column: 16,
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                                end: Position {
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                                 column: 39,
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                           KeyValue(
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                                span: Span {
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                                  line: 147,
                                  column: 9,
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                                 end: Position {
                                  line: 147,
                                  column: 20,
                                 },
                                },
                               },
                              ),
                             ],
                             to: FunctionApplication(
                              FunctionApplication {
                               function: PropertyAccess(
                                PropertyAccess {
                                 expression: Identifier(
                                  Identifier {
                                   id: "lib",
                                   span: Span {
                                    start: Position {
                                     line: 147,
                                     column: 23,
                                    },
                                    end: Position {
                                     line: 147,
                                     column: 26,
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                                 attribute_path: [
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                                    content: "mdDoc",
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                                      column: 27,
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                                     end: Position {
                                      line: 147,
                                      column: 32,
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                                    },
                                   },
                                  ),
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                                 default: None,
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                               ),
                               arguments: [
                                IndentedString(
                                 IndentedString {
                                  parts: [
                                   Raw(
                                    PartRaw {
                                     content: "User account under which maddy runs.\n\n::: {.note}\nIf left as the default value this user will automatically be created\non system activation, otherwise the sysadmin is responsible for\nensuring the user exists before the maddy service starts.\n:::\n",
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                                       line: 148,
                                       column: 1,
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                                      end: Position {
                                       line: 155,
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                                  span: Span {
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                            line: 144,
                            column: 23,
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                           end: Position {
                            line: 156,
                            column: 8,
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                        content: "group",
                        span: Span {
                         start: Position {
                          line: 158,
                          column: 7,
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                         end: Position {
                          line: 158,
                          column: 12,
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                     to: FunctionApplication(
                      FunctionApplication {
                       function: Identifier(
                        Identifier {
                         id: "mkOption",
                         span: Span {
                          start: Position {
                           line: 158,
                           column: 15,
                          },
                          end: Position {
                           line: 158,
                           column: 23,
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                       arguments: [
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                          recursive: false,
                          bindings: [
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                               PartRaw {
                                content: "default",
                                span: Span {
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                                  column: 9,
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                                 end: Position {
                                  line: 159,
                                  column: 16,
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                             to: String(
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                               parts: [
                                Raw(
                                 PartRaw {
                                  content: "maddy",
                                  span: Span {
                                   start: Position {
                                    line: 159,
                                    column: 20,
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                                   end: Position {
                                    line: 159,
                                    column: 25,
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                                 end: Position {
                                  line: 160,
                                  column: 13,
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                               expression: Identifier(
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                                   column: 21,
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                                  end: Position {
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                                   column: 26,
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                                     column: 28,
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                                    end: Position {
                                     line: 160,
                                     column: 32,
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                                    id: "string",
                                    span: Span {
                                     start: Position {
                                      line: 160,
                                      column: 33,
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                                     end: Position {
                                      line: 160,
                                      column: 39,
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                                end: Position {
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                                 column: 39,
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                                  column: 9,
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                                 end: Position {
                                  line: 161,
                                  column: 20,
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                             to: FunctionApplication(
                              FunctionApplication {
                               function: PropertyAccess(
                                PropertyAccess {
                                 expression: Identifier(
                                  Identifier {
                                   id: "lib",
                                   span: Span {
                                    start: Position {
                                     line: 161,
                                     column: 23,
                                    },
                                    end: Position {
                                     line: 161,
                                     column: 26,
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                                     end: Position {
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                                      column: 32,
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                                 default: None,
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                               arguments: [
                                IndentedString(
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                                  parts: [
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                                    PartRaw {
                                     content: "Group account under which maddy runs.\n\n::: {.note}\nIf left as the default value this group will automatically be created\non system activation, otherwise the sysadmin is responsible for\nensuring the group exists before the maddy service starts.\n:::\n",
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                                       line: 162,
                                       column: 1,
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                                      end: Position {
                                       line: 169,
                                       column: 9,
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                            line: 158,
                            column: 24,
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                            line: 170,
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                        content: "hostname",
                        span: Span {
                         start: Position {
                          line: 172,
                          column: 7,
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                         end: Position {
                          line: 172,
                          column: 15,
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                     to: FunctionApplication(
                      FunctionApplication {
                       function: Identifier(
                        Identifier {
                         id: "mkOption",
                         span: Span {
                          start: Position {
                           line: 172,
                           column: 18,
                          },
                          end: Position {
                           line: 172,
                           column: 26,
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                       arguments: [
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                          recursive: false,
                          bindings: [
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                                content: "default",
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                                  line: 173,
                                  column: 9,
                                 },
                                 end: Position {
                                  line: 173,
                                  column: 16,
                                 },
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                             to: String(
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                               parts: [
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                                  content: "localhost",
                                  span: Span {
                                   start: Position {
                                    line: 173,
                                    column: 20,
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                                   end: Position {
                                    line: 173,
                                    column: 29,
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                                end: Position {
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                                 column: 30,
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                                 end: Position {
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                                  column: 13,
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