{ "wrong RESULT":
  { "string_fields":
    ["runfiles", "runfiles_entry", "artifacts", "artifacts_entry", "provides"]
  , "expression":
    { "type": "let*"
    , "bindings": [["artifact", {"type": "BLOB"}]]
    , "body":
      { "type": "RESULT"
      , "artifacts":
        { "type": "if"
        , "cond": {"type": "FIELD", "name": "artifacts"}
        , "then":
          [ { "type": "join"
            , "$1": ["artifacts", "not", "a", "map"]
            , "separator": "-"
            }
          ]
        , "else":
          { "type": "if"
          , "cond": {"type": "FIELD", "name": "artifacts_entry"}
          , "then":
            { "type": "singleton_map"
            , "key":
              { "type": "join"
              , "$1": ["bad", "artifact", "path"]
              , "separator": "-"
              }
            , "value":
              { "type": "join"
              , "$1": ["bad", "artifact", "entry"]
              , "separator": "-"
              }
            }
          , "else":
            { "type": "singleton_map"
            , "key": "OK"
            , "value": {"type": "var", "name": "artifact"}
            }
          }
        }
      , "runfiles":
        { "type": "if"
        , "cond": {"type": "FIELD", "name": "runfiles"}
        , "then":
          [ { "type": "join"
            , "$1": ["runfiles", "not", "a", "map"]
            , "separator": "-"
            }
          ]
        , "else":
          { "type": "if"
          , "cond": {"type": "FIELD", "name": "runfiles_entry"}
          , "then":
            { "type": "singleton_map"
            , "key":
              { "type": "join"
              , "$1": ["bad", "runfiles", "path"]
              , "separator": "-"
              }
            , "value":
              { "type": "join"
              , "$1": ["bad", "runfiles", "entry"]
              , "separator": "-"
              }
            }
          , "else":
            { "type": "singleton_map"
            , "key": "OK"
            , "value": {"type": "var", "name": "artifact"}
            }
          }
        }
      , "provides":
        { "type": "if"
        , "cond": {"type": "FIELD", "name": "provides"}
        , "then":
          [ { "type": "join"
            , "$1": ["provides", "not", "a", "map"]
            , "separator": "-"
            }
          ]
        , "else": {"type": "singleton_map", "key": "OK", "value": "OK value"}
        }
      }
    }
  }
}