syn.json

{
  "version": "2.0.22",
  "types": [
    {
      "ident": "Abi",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "extern_token": {
          "token": "Extern"
        },
        "name": {
          "option": {
            "syn": "LitStr"
          }
        }
      }
    },
    {
      "ident": "AngleBracketedGenericArguments",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "colon2_token": {
          "option": {
            "token": "PathSep"
          }
        },
        "lt_token": {
          "token": "Lt"
        },
        "args": {
          "punctuated": {
            "element": {
              "syn": "GenericArgument"
            },
            "punct": "Comma"
          }
        },
        "gt_token": {
          "token": "Gt"
        }
      }
    },
    {
      "ident": "Arm",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "pat": {
          "syn": "Pat"
        },
        "guard": {
          "option": {
            "tuple": [
              {
                "token": "If"
              },
              {
                "box": {
                  "syn": "Expr"
                }
              }
            ]
          }
        },
        "fat_arrow_token": {
          "token": "FatArrow"
        },
        "body": {
          "box": {
            "syn": "Expr"
          }
        },
        "comma": {
          "option": {
            "token": "Comma"
          }
        }
      }
    },
    {
      "ident": "AssocConst",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "option": {
            "syn": "AngleBracketedGenericArguments"
          }
        },
        "eq_token": {
          "token": "Eq"
        },
        "value": {
          "syn": "Expr"
        }
      }
    },
    {
      "ident": "AssocType",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "option": {
            "syn": "AngleBracketedGenericArguments"
          }
        },
        "eq_token": {
          "token": "Eq"
        },
        "ty": {
          "syn": "Type"
        }
      }
    },
    {
      "ident": "AttrStyle",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "Outer": [],
        "Inner": [
          {
            "token": "Not"
          }
        ]
      }
    },
    {
      "ident": "Attribute",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "pound_token": {
          "token": "Pound"
        },
        "style": {
          "syn": "AttrStyle"
        },
        "bracket_token": {
          "group": "Bracket"
        },
        "meta": {
          "syn": "Meta"
        }
      }
    },
    {
      "ident": "BareFnArg",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "name": {
          "option": {
            "tuple": [
              {
                "proc_macro2": "Ident"
              },
              {
                "token": "Colon"
              }
            ]
          }
        },
        "ty": {
          "syn": "Type"
        }
      }
    },
    {
      "ident": "BareVariadic",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "name": {
          "option": {
            "tuple": [
              {
                "proc_macro2": "Ident"
              },
              {
                "token": "Colon"
              }
            ]
          }
        },
        "dots": {
          "token": "DotDotDot"
        },
        "comma": {
          "option": {
            "token": "Comma"
          }
        }
      }
    },
    {
      "ident": "BinOp",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "Add": [
          {
            "token": "Plus"
          }
        ],
        "Sub": [
          {
            "token": "Minus"
          }
        ],
        "Mul": [
          {
            "token": "Star"
          }
        ],
        "Div": [
          {
            "token": "Slash"
          }
        ],
        "Rem": [
          {
            "token": "Percent"
          }
        ],
        "And": [
          {
            "token": "AndAnd"
          }
        ],
        "Or": [
          {
            "token": "OrOr"
          }
        ],
        "BitXor": [
          {
            "token": "Caret"
          }
        ],
        "BitAnd": [
          {
            "token": "And"
          }
        ],
        "BitOr": [
          {
            "token": "Or"
          }
        ],
        "Shl": [
          {
            "token": "Shl"
          }
        ],
        "Shr": [
          {
            "token": "Shr"
          }
        ],
        "Eq": [
          {
            "token": "EqEq"
          }
        ],
        "Lt": [
          {
            "token": "Lt"
          }
        ],
        "Le": [
          {
            "token": "Le"
          }
        ],
        "Ne": [
          {
            "token": "Ne"
          }
        ],
        "Ge": [
          {
            "token": "Ge"
          }
        ],
        "Gt": [
          {
            "token": "Gt"
          }
        ],
        "AddAssign": [
          {
            "token": "PlusEq"
          }
        ],
        "SubAssign": [
          {
            "token": "MinusEq"
          }
        ],
        "MulAssign": [
          {
            "token": "StarEq"
          }
        ],
        "DivAssign": [
          {
            "token": "SlashEq"
          }
        ],
        "RemAssign": [
          {
            "token": "PercentEq"
          }
        ],
        "BitXorAssign": [
          {
            "token": "CaretEq"
          }
        ],
        "BitAndAssign": [
          {
            "token": "AndEq"
          }
        ],
        "BitOrAssign": [
          {
            "token": "OrEq"
          }
        ],
        "ShlAssign": [
          {
            "token": "ShlEq"
          }
        ],
        "ShrAssign": [
          {
            "token": "ShrEq"
          }
        ]
      },
      "exhaustive": false
    },
    {
      "ident": "Block",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "brace_token": {
          "group": "Brace"
        },
        "stmts": {
          "vec": {
            "syn": "Stmt"
          }
        }
      }
    },
    {
      "ident": "BoundLifetimes",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "for_token": {
          "token": "For"
        },
        "lt_token": {
          "token": "Lt"
        },
        "lifetimes": {
          "punctuated": {
            "element": {
              "syn": "GenericParam"
            },
            "punct": "Comma"
          }
        },
        "gt_token": {
          "token": "Gt"
        }
      }
    },
    {
      "ident": "ConstParam",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "const_token": {
          "token": "Const"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "colon_token": {
          "token": "Colon"
        },
        "ty": {
          "syn": "Type"
        },
        "eq_token": {
          "option": {
            "token": "Eq"
          }
        },
        "default": {
          "option": {
            "syn": "Expr"
          }
        }
      }
    },
    {
      "ident": "Constraint",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "option": {
            "syn": "AngleBracketedGenericArguments"
          }
        },
        "colon_token": {
          "token": "Colon"
        },
        "bounds": {
          "punctuated": {
            "element": {
              "syn": "TypeParamBound"
            },
            "punct": "Plus"
          }
        }
      }
    },
    {
      "ident": "Data",
      "features": {
        "any": [
          "derive"
        ]
      },
      "variants": {
        "Struct": [
          {
            "syn": "DataStruct"
          }
        ],
        "Enum": [
          {
            "syn": "DataEnum"
          }
        ],
        "Union": [
          {
            "syn": "DataUnion"
          }
        ]
      }
    },
    {
      "ident": "DataEnum",
      "features": {
        "any": [
          "derive"
        ]
      },
      "fields": {
        "enum_token": {
          "token": "Enum"
        },
        "brace_token": {
          "group": "Brace"
        },
        "variants": {
          "punctuated": {
            "element": {
              "syn": "Variant"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "DataStruct",
      "features": {
        "any": [
          "derive"
        ]
      },
      "fields": {
        "struct_token": {
          "token": "Struct"
        },
        "fields": {
          "syn": "Fields"
        },
        "semi_token": {
          "option": {
            "token": "Semi"
          }
        }
      }
    },
    {
      "ident": "DataUnion",
      "features": {
        "any": [
          "derive"
        ]
      },
      "fields": {
        "union_token": {
          "token": "Union"
        },
        "fields": {
          "syn": "FieldsNamed"
        }
      }
    },
    {
      "ident": "DeriveInput",
      "features": {
        "any": [
          "derive"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "data": {
          "syn": "Data"
        }
      }
    },
    {
      "ident": "Expr",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
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          {
            "syn": "ExprArray"
          }
        ],
        "Assign": [
          {
            "syn": "ExprAssign"
          }
        ],
        "Async": [
          {
            "syn": "ExprAsync"
          }
        ],
        "Await": [
          {
            "syn": "ExprAwait"
          }
        ],
        "Binary": [
          {
            "syn": "ExprBinary"
          }
        ],
        "Block": [
          {
            "syn": "ExprBlock"
          }
        ],
        "Break": [
          {
            "syn": "ExprBreak"
          }
        ],
        "Call": [
          {
            "syn": "ExprCall"
          }
        ],
        "Cast": [
          {
            "syn": "ExprCast"
          }
        ],
        "Closure": [
          {
            "syn": "ExprClosure"
          }
        ],
        "Const": [
          {
            "syn": "ExprConst"
          }
        ],
        "Continue": [
          {
            "syn": "ExprContinue"
          }
        ],
        "Field": [
          {
            "syn": "ExprField"
          }
        ],
        "ForLoop": [
          {
            "syn": "ExprForLoop"
          }
        ],
        "Group": [
          {
            "syn": "ExprGroup"
          }
        ],
        "If": [
          {
            "syn": "ExprIf"
          }
        ],
        "Index": [
          {
            "syn": "ExprIndex"
          }
        ],
        "Infer": [
          {
            "syn": "ExprInfer"
          }
        ],
        "Let": [
          {
            "syn": "ExprLet"
          }
        ],
        "Lit": [
          {
            "syn": "ExprLit"
          }
        ],
        "Loop": [
          {
            "syn": "ExprLoop"
          }
        ],
        "Macro": [
          {
            "syn": "ExprMacro"
          }
        ],
        "Match": [
          {
            "syn": "ExprMatch"
          }
        ],
        "MethodCall": [
          {
            "syn": "ExprMethodCall"
          }
        ],
        "Paren": [
          {
            "syn": "ExprParen"
          }
        ],
        "Path": [
          {
            "syn": "ExprPath"
          }
        ],
        "Range": [
          {
            "syn": "ExprRange"
          }
        ],
        "Reference": [
          {
            "syn": "ExprReference"
          }
        ],
        "Repeat": [
          {
            "syn": "ExprRepeat"
          }
        ],
        "Return": [
          {
            "syn": "ExprReturn"
          }
        ],
        "Struct": [
          {
            "syn": "ExprStruct"
          }
        ],
        "Try": [
          {
            "syn": "ExprTry"
          }
        ],
        "TryBlock": [
          {
            "syn": "ExprTryBlock"
          }
        ],
        "Tuple": [
          {
            "syn": "ExprTuple"
          }
        ],
        "Unary": [
          {
            "syn": "ExprUnary"
          }
        ],
        "Unsafe": [
          {
            "syn": "ExprUnsafe"
          }
        ],
        "Verbatim": [
          {
            "proc_macro2": "TokenStream"
          }
        ],
        "While": [
          {
            "syn": "ExprWhile"
          }
        ],
        "Yield": [
          {
            "syn": "ExprYield"
          }
        ]
      },
      "exhaustive": false
    },
    {
      "ident": "ExprArray",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "bracket_token": {
          "group": "Bracket"
        },
        "elems": {
          "punctuated": {
            "element": {
              "syn": "Expr"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "ExprAssign",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "left": {
          "box": {
            "syn": "Expr"
          }
        },
        "eq_token": {
          "token": "Eq"
        },
        "right": {
          "box": {
            "syn": "Expr"
          }
        }
      }
    },
    {
      "ident": "ExprAsync",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "async_token": {
          "token": "Async"
        },
        "capture": {
          "option": {
            "token": "Move"
          }
        },
        "block": {
          "syn": "Block"
        }
      }
    },
    {
      "ident": "ExprAwait",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
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          "vec": {
            "syn": "Attribute"
          }
        },
        "base": {
          "box": {
            "syn": "Expr"
          }
        },
        "dot_token": {
          "token": "Dot"
        },
        "await_token": {
          "token": "Await"
        }
      }
    },
    {
      "ident": "ExprBinary",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "left": {
          "box": {
            "syn": "Expr"
          }
        },
        "op": {
          "syn": "BinOp"
        },
        "right": {
          "box": {
            "syn": "Expr"
          }
        }
      }
    },
    {
      "ident": "ExprBlock",
      "features": {
        "any": [
          "full"
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      },
      "fields": {
        "attrs": {
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            "syn": "Attribute"
          }
        },
        "label": {
          "option": {
            "syn": "Label"
          }
        },
        "block": {
          "syn": "Block"
        }
      }
    },
    {
      "ident": "ExprBreak",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "break_token": {
          "token": "Break"
        },
        "label": {
          "option": {
            "syn": "Lifetime"
          }
        },
        "expr": {
          "option": {
            "box": {
              "syn": "Expr"
            }
          }
        }
      }
    },
    {
      "ident": "ExprCall",
      "features": {
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          "full"
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      },
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            "syn": "Attribute"
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        },
        "func": {
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            "syn": "Expr"
          }
        },
        "paren_token": {
          "group": "Paren"
        },
        "args": {
          "punctuated": {
            "element": {
              "syn": "Expr"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "ExprCast",
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        "any": [
          "derive",
          "full"
        ]
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        "expr": {
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            "syn": "Expr"
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        },
        "as_token": {
          "token": "As"
        },
        "ty": {
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            "syn": "Type"
          }
        }
      }
    },
    {
      "ident": "ExprClosure",
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          "full"
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      },
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        },
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          "option": {
            "syn": "BoundLifetimes"
          }
        },
        "constness": {
          "option": {
            "token": "Const"
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        },
        "movability": {
          "option": {
            "token": "Static"
          }
        },
        "asyncness": {
          "option": {
            "token": "Async"
          }
        },
        "capture": {
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            "token": "Move"
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        },
        "or1_token": {
          "token": "Or"
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        "inputs": {
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              "syn": "Pat"
            },
            "punct": "Comma"
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        },
        "or2_token": {
          "token": "Or"
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          "syn": "ReturnType"
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    },
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        "continue_token": {
          "token": "Continue"
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            "syn": "Expr"
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        },
        "dot_token": {
          "token": "Dot"
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        "member": {
          "syn": "Member"
        }
      }
    },
    {
      "ident": "ExprForLoop",
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        "any": [
          "full"
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      },
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            "syn": "Attribute"
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          "option": {
            "syn": "Label"
          }
        },
        "for_token": {
          "token": "For"
        },
        "pat": {
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            "syn": "Pat"
          }
        },
        "in_token": {
          "token": "In"
        },
        "expr": {
          "box": {
            "syn": "Expr"
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        },
        "body": {
          "syn": "Block"
        }
      }
    },
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      "ident": "ExprGroup",
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        "group_token": {
          "group": "Group"
        },
        "expr": {
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            "syn": "Expr"
          }
        }
      }
    },
    {
      "ident": "ExprIf",
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          "full"
        ]
      },
      "fields": {
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        },
        "if_token": {
          "token": "If"
        },
        "cond": {
          "box": {
            "syn": "Expr"
          }
        },
        "then_branch": {
          "syn": "Block"
        },
        "else_branch": {
          "option": {
            "tuple": [
              {
                "token": "Else"
              },
              {
                "box": {
                  "syn": "Expr"
                }
              }
            ]
          }
        }
      }
    },
    {
      "ident": "ExprIndex",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "expr": {
          "box": {
            "syn": "Expr"
          }
        },
        "bracket_token": {
          "group": "Bracket"
        },
        "index": {
          "box": {
            "syn": "Expr"
          }
        }
      }
    },
    {
      "ident": "ExprInfer",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "underscore_token": {
          "token": "Underscore"
        }
      }
    },
    {
      "ident": "ExprLet",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "let_token": {
          "token": "Let"
        },
        "pat": {
          "box": {
            "syn": "Pat"
          }
        },
        "eq_token": {
          "token": "Eq"
        },
        "expr": {
          "box": {
            "syn": "Expr"
          }
        }
      }
    },
    {
      "ident": "ExprLit",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "lit": {
          "syn": "Lit"
        }
      }
    },
    {
      "ident": "ExprLoop",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "label": {
          "option": {
            "syn": "Label"
          }
        },
        "loop_token": {
          "token": "Loop"
        },
        "body": {
          "syn": "Block"
        }
      }
    },
    {
      "ident": "ExprMacro",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "mac": {
          "syn": "Macro"
        }
      }
    },
    {
      "ident": "ExprMatch",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "match_token": {
          "token": "Match"
        },
        "expr": {
          "box": {
            "syn": "Expr"
          }
        },
        "brace_token": {
          "group": "Brace"
        },
        "arms": {
          "vec": {
            "syn": "Arm"
          }
        }
      }
    },
    {
      "ident": "ExprMethodCall",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "receiver": {
          "box": {
            "syn": "Expr"
          }
        },
        "dot_token": {
          "token": "Dot"
        },
        "method": {
          "proc_macro2": "Ident"
        },
        "turbofish": {
          "option": {
            "syn": "AngleBracketedGenericArguments"
          }
        },
        "paren_token": {
          "group": "Paren"
        },
        "args": {
          "punctuated": {
            "element": {
              "syn": "Expr"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "ExprParen",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "paren_token": {
          "group": "Paren"
        },
        "expr": {
          "box": {
            "syn": "Expr"
          }
        }
      }
    },
    {
      "ident": "ExprPath",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "qself": {
          "option": {
            "syn": "QSelf"
          }
        },
        "path": {
          "syn": "Path"
        }
      }
    },
    {
      "ident": "ExprRange",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "start": {
          "option": {
            "box": {
              "syn": "Expr"
            }
          }
        },
        "limits": {
          "syn": "RangeLimits"
        },
        "end": {
          "option": {
            "box": {
              "syn": "Expr"
            }
          }
        }
      }
    },
    {
      "ident": "ExprReference",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "and_token": {
          "token": "And"
        },
        "mutability": {
          "option": {
            "token": "Mut"
          }
        },
        "expr": {
          "box": {
            "syn": "Expr"
          }
        }
      }
    },
    {
      "ident": "ExprRepeat",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "bracket_token": {
          "group": "Bracket"
        },
        "expr": {
          "box": {
            "syn": "Expr"
          }
        },
        "semi_token": {
          "token": "Semi"
        },
        "len": {
          "box": {
            "syn": "Expr"
          }
        }
      }
    },
    {
      "ident": "ExprReturn",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "return_token": {
          "token": "Return"
        },
        "expr": {
          "option": {
            "box": {
              "syn": "Expr"
            }
          }
        }
      }
    },
    {
      "ident": "ExprStruct",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "qself": {
          "option": {
            "syn": "QSelf"
          }
        },
        "path": {
          "syn": "Path"
        },
        "brace_token": {
          "group": "Brace"
        },
        "fields": {
          "punctuated": {
            "element": {
              "syn": "FieldValue"
            },
            "punct": "Comma"
          }
        },
        "dot2_token": {
          "option": {
            "token": "DotDot"
          }
        },
        "rest": {
          "option": {
            "box": {
              "syn": "Expr"
            }
          }
        }
      }
    },
    {
      "ident": "ExprTry",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "expr": {
          "box": {
            "syn": "Expr"
          }
        },
        "question_token": {
          "token": "Question"
        }
      }
    },
    {
      "ident": "ExprTryBlock",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "try_token": {
          "token": "Try"
        },
        "block": {
          "syn": "Block"
        }
      }
    },
    {
      "ident": "ExprTuple",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "paren_token": {
          "group": "Paren"
        },
        "elems": {
          "punctuated": {
            "element": {
              "syn": "Expr"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "ExprUnary",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "op": {
          "syn": "UnOp"
        },
        "expr": {
          "box": {
            "syn": "Expr"
          }
        }
      }
    },
    {
      "ident": "ExprUnsafe",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "unsafe_token": {
          "token": "Unsafe"
        },
        "block": {
          "syn": "Block"
        }
      }
    },
    {
      "ident": "ExprWhile",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "label": {
          "option": {
            "syn": "Label"
          }
        },
        "while_token": {
          "token": "While"
        },
        "cond": {
          "box": {
            "syn": "Expr"
          }
        },
        "body": {
          "syn": "Block"
        }
      }
    },
    {
      "ident": "ExprYield",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "yield_token": {
          "token": "Yield"
        },
        "expr": {
          "option": {
            "box": {
              "syn": "Expr"
            }
          }
        }
      }
    },
    {
      "ident": "Field",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "mutability": {
          "syn": "FieldMutability"
        },
        "ident": {
          "option": {
            "proc_macro2": "Ident"
          }
        },
        "colon_token": {
          "option": {
            "token": "Colon"
          }
        },
        "ty": {
          "syn": "Type"
        }
      }
    },
    {
      "ident": "FieldMutability",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "None": []
      },
      "exhaustive": false
    },
    {
      "ident": "FieldPat",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "member": {
          "syn": "Member"
        },
        "colon_token": {
          "option": {
            "token": "Colon"
          }
        },
        "pat": {
          "box": {
            "syn": "Pat"
          }
        }
      }
    },
    {
      "ident": "FieldValue",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "member": {
          "syn": "Member"
        },
        "colon_token": {
          "option": {
            "token": "Colon"
          }
        },
        "expr": {
          "syn": "Expr"
        }
      }
    },
    {
      "ident": "Fields",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "Named": [
          {
            "syn": "FieldsNamed"
          }
        ],
        "Unnamed": [
          {
            "syn": "FieldsUnnamed"
          }
        ],
        "Unit": []
      }
    },
    {
      "ident": "FieldsNamed",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "brace_token": {
          "group": "Brace"
        },
        "named": {
          "punctuated": {
            "element": {
              "syn": "Field"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "FieldsUnnamed",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "paren_token": {
          "group": "Paren"
        },
        "unnamed": {
          "punctuated": {
            "element": {
              "syn": "Field"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "File",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "shebang": {
          "option": {
            "std": "String"
          }
        },
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "items": {
          "vec": {
            "syn": "Item"
          }
        }
      }
    },
    {
      "ident": "FnArg",
      "features": {
        "any": [
          "full"
        ]
      },
      "variants": {
        "Receiver": [
          {
            "syn": "Receiver"
          }
        ],
        "Typed": [
          {
            "syn": "PatType"
          }
        ]
      }
    },
    {
      "ident": "ForeignItem",
      "features": {
        "any": [
          "full"
        ]
      },
      "variants": {
        "Fn": [
          {
            "syn": "ForeignItemFn"
          }
        ],
        "Static": [
          {
            "syn": "ForeignItemStatic"
          }
        ],
        "Type": [
          {
            "syn": "ForeignItemType"
          }
        ],
        "Macro": [
          {
            "syn": "ForeignItemMacro"
          }
        ],
        "Verbatim": [
          {
            "proc_macro2": "TokenStream"
          }
        ]
      },
      "exhaustive": false
    },
    {
      "ident": "ForeignItemFn",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "sig": {
          "syn": "Signature"
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "ForeignItemMacro",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "mac": {
          "syn": "Macro"
        },
        "semi_token": {
          "option": {
            "token": "Semi"
          }
        }
      }
    },
    {
      "ident": "ForeignItemStatic",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "static_token": {
          "token": "Static"
        },
        "mutability": {
          "syn": "StaticMutability"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "colon_token": {
          "token": "Colon"
        },
        "ty": {
          "box": {
            "syn": "Type"
          }
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "ForeignItemType",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "type_token": {
          "token": "Type"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "GenericArgument",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
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          {
            "syn": "Lifetime"
          }
        ],
        "Type": [
          {
            "syn": "Type"
          }
        ],
        "Const": [
          {
            "syn": "Expr"
          }
        ],
        "AssocType": [
          {
            "syn": "AssocType"
          }
        ],
        "AssocConst": [
          {
            "syn": "AssocConst"
          }
        ],
        "Constraint": [
          {
            "syn": "Constraint"
          }
        ]
      },
      "exhaustive": false
    },
    {
      "ident": "GenericParam",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "Lifetime": [
          {
            "syn": "LifetimeParam"
          }
        ],
        "Type": [
          {
            "syn": "TypeParam"
          }
        ],
        "Const": [
          {
            "syn": "ConstParam"
          }
        ]
      }
    },
    {
      "ident": "Generics",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "lt_token": {
          "option": {
            "token": "Lt"
          }
        },
        "params": {
          "punctuated": {
            "element": {
              "syn": "GenericParam"
            },
            "punct": "Comma"
          }
        },
        "gt_token": {
          "option": {
            "token": "Gt"
          }
        },
        "where_clause": {
          "option": {
            "syn": "WhereClause"
          }
        }
      }
    },
    {
      "ident": "ImplItem",
      "features": {
        "any": [
          "full"
        ]
      },
      "variants": {
        "Const": [
          {
            "syn": "ImplItemConst"
          }
        ],
        "Fn": [
          {
            "syn": "ImplItemFn"
          }
        ],
        "Type": [
          {
            "syn": "ImplItemType"
          }
        ],
        "Macro": [
          {
            "syn": "ImplItemMacro"
          }
        ],
        "Verbatim": [
          {
            "proc_macro2": "TokenStream"
          }
        ]
      },
      "exhaustive": false
    },
    {
      "ident": "ImplItemConst",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "defaultness": {
          "option": {
            "token": "Default"
          }
        },
        "const_token": {
          "token": "Const"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "colon_token": {
          "token": "Colon"
        },
        "ty": {
          "syn": "Type"
        },
        "eq_token": {
          "token": "Eq"
        },
        "expr": {
          "syn": "Expr"
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "ImplItemFn",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "defaultness": {
          "option": {
            "token": "Default"
          }
        },
        "sig": {
          "syn": "Signature"
        },
        "block": {
          "syn": "Block"
        }
      }
    },
    {
      "ident": "ImplItemMacro",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "mac": {
          "syn": "Macro"
        },
        "semi_token": {
          "option": {
            "token": "Semi"
          }
        }
      }
    },
    {
      "ident": "ImplItemType",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "defaultness": {
          "option": {
            "token": "Default"
          }
        },
        "type_token": {
          "token": "Type"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "eq_token": {
          "token": "Eq"
        },
        "ty": {
          "syn": "Type"
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "ImplRestriction",
      "features": {
        "any": [
          "full"
        ]
      },
      "variants": {},
      "exhaustive": false
    },
    {
      "ident": "Index",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "index": {
          "std": "u32"
        },
        "span": {
          "proc_macro2": "Span"
        }
      }
    },
    {
      "ident": "Item",
      "features": {
        "any": [
          "full"
        ]
      },
      "variants": {
        "Const": [
          {
            "syn": "ItemConst"
          }
        ],
        "Enum": [
          {
            "syn": "ItemEnum"
          }
        ],
        "ExternCrate": [
          {
            "syn": "ItemExternCrate"
          }
        ],
        "Fn": [
          {
            "syn": "ItemFn"
          }
        ],
        "ForeignMod": [
          {
            "syn": "ItemForeignMod"
          }
        ],
        "Impl": [
          {
            "syn": "ItemImpl"
          }
        ],
        "Macro": [
          {
            "syn": "ItemMacro"
          }
        ],
        "Mod": [
          {
            "syn": "ItemMod"
          }
        ],
        "Static": [
          {
            "syn": "ItemStatic"
          }
        ],
        "Struct": [
          {
            "syn": "ItemStruct"
          }
        ],
        "Trait": [
          {
            "syn": "ItemTrait"
          }
        ],
        "TraitAlias": [
          {
            "syn": "ItemTraitAlias"
          }
        ],
        "Type": [
          {
            "syn": "ItemType"
          }
        ],
        "Union": [
          {
            "syn": "ItemUnion"
          }
        ],
        "Use": [
          {
            "syn": "ItemUse"
          }
        ],
        "Verbatim": [
          {
            "proc_macro2": "TokenStream"
          }
        ]
      },
      "exhaustive": false
    },
    {
      "ident": "ItemConst",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "const_token": {
          "token": "Const"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "colon_token": {
          "token": "Colon"
        },
        "ty": {
          "box": {
            "syn": "Type"
          }
        },
        "eq_token": {
          "token": "Eq"
        },
        "expr": {
          "box": {
            "syn": "Expr"
          }
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "ItemEnum",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "enum_token": {
          "token": "Enum"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "brace_token": {
          "group": "Brace"
        },
        "variants": {
          "punctuated": {
            "element": {
              "syn": "Variant"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "ItemExternCrate",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "extern_token": {
          "token": "Extern"
        },
        "crate_token": {
          "token": "Crate"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "rename": {
          "option": {
            "tuple": [
              {
                "token": "As"
              },
              {
                "proc_macro2": "Ident"
              }
            ]
          }
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "ItemFn",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "sig": {
          "syn": "Signature"
        },
        "block": {
          "box": {
            "syn": "Block"
          }
        }
      }
    },
    {
      "ident": "ItemForeignMod",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "unsafety": {
          "option": {
            "token": "Unsafe"
          }
        },
        "abi": {
          "syn": "Abi"
        },
        "brace_token": {
          "group": "Brace"
        },
        "items": {
          "vec": {
            "syn": "ForeignItem"
          }
        }
      }
    },
    {
      "ident": "ItemImpl",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "defaultness": {
          "option": {
            "token": "Default"
          }
        },
        "unsafety": {
          "option": {
            "token": "Unsafe"
          }
        },
        "impl_token": {
          "token": "Impl"
        },
        "generics": {
          "syn": "Generics"
        },
        "trait_": {
          "option": {
            "tuple": [
              {
                "option": {
                  "token": "Not"
                }
              },
              {
                "syn": "Path"
              },
              {
                "token": "For"
              }
            ]
          }
        },
        "self_ty": {
          "box": {
            "syn": "Type"
          }
        },
        "brace_token": {
          "group": "Brace"
        },
        "items": {
          "vec": {
            "syn": "ImplItem"
          }
        }
      }
    },
    {
      "ident": "ItemMacro",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "ident": {
          "option": {
            "proc_macro2": "Ident"
          }
        },
        "mac": {
          "syn": "Macro"
        },
        "semi_token": {
          "option": {
            "token": "Semi"
          }
        }
      }
    },
    {
      "ident": "ItemMod",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "unsafety": {
          "option": {
            "token": "Unsafe"
          }
        },
        "mod_token": {
          "token": "Mod"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "content": {
          "option": {
            "tuple": [
              {
                "group": "Brace"
              },
              {
                "vec": {
                  "syn": "Item"
                }
              }
            ]
          }
        },
        "semi": {
          "option": {
            "token": "Semi"
          }
        }
      }
    },
    {
      "ident": "ItemStatic",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "static_token": {
          "token": "Static"
        },
        "mutability": {
          "syn": "StaticMutability"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "colon_token": {
          "token": "Colon"
        },
        "ty": {
          "box": {
            "syn": "Type"
          }
        },
        "eq_token": {
          "token": "Eq"
        },
        "expr": {
          "box": {
            "syn": "Expr"
          }
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "ItemStruct",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "struct_token": {
          "token": "Struct"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "fields": {
          "syn": "Fields"
        },
        "semi_token": {
          "option": {
            "token": "Semi"
          }
        }
      }
    },
    {
      "ident": "ItemTrait",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "unsafety": {
          "option": {
            "token": "Unsafe"
          }
        },
        "auto_token": {
          "option": {
            "token": "Auto"
          }
        },
        "restriction": {
          "option": {
            "syn": "ImplRestriction"
          }
        },
        "trait_token": {
          "token": "Trait"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "colon_token": {
          "option": {
            "token": "Colon"
          }
        },
        "supertraits": {
          "punctuated": {
            "element": {
              "syn": "TypeParamBound"
            },
            "punct": "Plus"
          }
        },
        "brace_token": {
          "group": "Brace"
        },
        "items": {
          "vec": {
            "syn": "TraitItem"
          }
        }
      }
    },
    {
      "ident": "ItemTraitAlias",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "trait_token": {
          "token": "Trait"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "eq_token": {
          "token": "Eq"
        },
        "bounds": {
          "punctuated": {
            "element": {
              "syn": "TypeParamBound"
            },
            "punct": "Plus"
          }
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "ItemType",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "type_token": {
          "token": "Type"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "eq_token": {
          "token": "Eq"
        },
        "ty": {
          "box": {
            "syn": "Type"
          }
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "ItemUnion",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "union_token": {
          "token": "Union"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "fields": {
          "syn": "FieldsNamed"
        }
      }
    },
    {
      "ident": "ItemUse",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "vis": {
          "syn": "Visibility"
        },
        "use_token": {
          "token": "Use"
        },
        "leading_colon": {
          "option": {
            "token": "PathSep"
          }
        },
        "tree": {
          "syn": "UseTree"
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "Label",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "name": {
          "syn": "Lifetime"
        },
        "colon_token": {
          "token": "Colon"
        }
      }
    },
    {
      "ident": "Lifetime",
      "features": {
        "any": []
      },
      "fields": {
        "apostrophe": {
          "proc_macro2": "Span"
        },
        "ident": {
          "proc_macro2": "Ident"
        }
      }
    },
    {
      "ident": "LifetimeParam",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "lifetime": {
          "syn": "Lifetime"
        },
        "colon_token": {
          "option": {
            "token": "Colon"
          }
        },
        "bounds": {
          "punctuated": {
            "element": {
              "syn": "Lifetime"
            },
            "punct": "Plus"
          }
        }
      }
    },
    {
      "ident": "Lit",
      "features": {
        "any": []
      },
      "variants": {
        "Str": [
          {
            "syn": "LitStr"
          }
        ],
        "ByteStr": [
          {
            "syn": "LitByteStr"
          }
        ],
        "Byte": [
          {
            "syn": "LitByte"
          }
        ],
        "Char": [
          {
            "syn": "LitChar"
          }
        ],
        "Int": [
          {
            "syn": "LitInt"
          }
        ],
        "Float": [
          {
            "syn": "LitFloat"
          }
        ],
        "Bool": [
          {
            "syn": "LitBool"
          }
        ],
        "Verbatim": [
          {
            "proc_macro2": "Literal"
          }
        ]
      },
      "exhaustive": false
    },
    {
      "ident": "LitBool",
      "features": {
        "any": []
      },
      "fields": {
        "value": {
          "std": "bool"
        },
        "span": {
          "proc_macro2": "Span"
        }
      }
    },
    {
      "ident": "LitByte",
      "features": {
        "any": []
      }
    },
    {
      "ident": "LitByteStr",
      "features": {
        "any": []
      }
    },
    {
      "ident": "LitChar",
      "features": {
        "any": []
      }
    },
    {
      "ident": "LitFloat",
      "features": {
        "any": []
      }
    },
    {
      "ident": "LitInt",
      "features": {
        "any": []
      }
    },
    {
      "ident": "LitStr",
      "features": {
        "any": []
      }
    },
    {
      "ident": "Local",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "let_token": {
          "token": "Let"
        },
        "pat": {
          "syn": "Pat"
        },
        "init": {
          "option": {
            "syn": "LocalInit"
          }
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "LocalInit",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "eq_token": {
          "token": "Eq"
        },
        "expr": {
          "box": {
            "syn": "Expr"
          }
        },
        "diverge": {
          "option": {
            "tuple": [
              {
                "token": "Else"
              },
              {
                "box": {
                  "syn": "Expr"
                }
              }
            ]
          }
        }
      }
    },
    {
      "ident": "Macro",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "path": {
          "syn": "Path"
        },
        "bang_token": {
          "token": "Not"
        },
        "delimiter": {
          "syn": "MacroDelimiter"
        },
        "tokens": {
          "proc_macro2": "TokenStream"
        }
      }
    },
    {
      "ident": "MacroDelimiter",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "Paren": [
          {
            "group": "Paren"
          }
        ],
        "Brace": [
          {
            "group": "Brace"
          }
        ],
        "Bracket": [
          {
            "group": "Bracket"
          }
        ]
      }
    },
    {
      "ident": "Member",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "Named": [
          {
            "proc_macro2": "Ident"
          }
        ],
        "Unnamed": [
          {
            "syn": "Index"
          }
        ]
      }
    },
    {
      "ident": "Meta",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "Path": [
          {
            "syn": "Path"
          }
        ],
        "List": [
          {
            "syn": "MetaList"
          }
        ],
        "NameValue": [
          {
            "syn": "MetaNameValue"
          }
        ]
      }
    },
    {
      "ident": "MetaList",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "path": {
          "syn": "Path"
        },
        "delimiter": {
          "syn": "MacroDelimiter"
        },
        "tokens": {
          "proc_macro2": "TokenStream"
        }
      }
    },
    {
      "ident": "MetaNameValue",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "path": {
          "syn": "Path"
        },
        "eq_token": {
          "token": "Eq"
        },
        "value": {
          "syn": "Expr"
        }
      }
    },
    {
      "ident": "ParenthesizedGenericArguments",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "paren_token": {
          "group": "Paren"
        },
        "inputs": {
          "punctuated": {
            "element": {
              "syn": "Type"
            },
            "punct": "Comma"
          }
        },
        "output": {
          "syn": "ReturnType"
        }
      }
    },
    {
      "ident": "Pat",
      "features": {
        "any": [
          "full"
        ]
      },
      "variants": {
        "Const": [
          {
            "syn": "ExprConst"
          }
        ],
        "Ident": [
          {
            "syn": "PatIdent"
          }
        ],
        "Lit": [
          {
            "syn": "ExprLit"
          }
        ],
        "Macro": [
          {
            "syn": "ExprMacro"
          }
        ],
        "Or": [
          {
            "syn": "PatOr"
          }
        ],
        "Paren": [
          {
            "syn": "PatParen"
          }
        ],
        "Path": [
          {
            "syn": "ExprPath"
          }
        ],
        "Range": [
          {
            "syn": "ExprRange"
          }
        ],
        "Reference": [
          {
            "syn": "PatReference"
          }
        ],
        "Rest": [
          {
            "syn": "PatRest"
          }
        ],
        "Slice": [
          {
            "syn": "PatSlice"
          }
        ],
        "Struct": [
          {
            "syn": "PatStruct"
          }
        ],
        "Tuple": [
          {
            "syn": "PatTuple"
          }
        ],
        "TupleStruct": [
          {
            "syn": "PatTupleStruct"
          }
        ],
        "Type": [
          {
            "syn": "PatType"
          }
        ],
        "Verbatim": [
          {
            "proc_macro2": "TokenStream"
          }
        ],
        "Wild": [
          {
            "syn": "PatWild"
          }
        ]
      },
      "exhaustive": false
    },
    {
      "ident": "PatIdent",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "by_ref": {
          "option": {
            "token": "Ref"
          }
        },
        "mutability": {
          "option": {
            "token": "Mut"
          }
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "subpat": {
          "option": {
            "tuple": [
              {
                "token": "At"
              },
              {
                "box": {
                  "syn": "Pat"
                }
              }
            ]
          }
        }
      }
    },
    {
      "ident": "PatOr",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "leading_vert": {
          "option": {
            "token": "Or"
          }
        },
        "cases": {
          "punctuated": {
            "element": {
              "syn": "Pat"
            },
            "punct": "Or"
          }
        }
      }
    },
    {
      "ident": "PatParen",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "paren_token": {
          "group": "Paren"
        },
        "pat": {
          "box": {
            "syn": "Pat"
          }
        }
      }
    },
    {
      "ident": "PatReference",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "and_token": {
          "token": "And"
        },
        "mutability": {
          "option": {
            "token": "Mut"
          }
        },
        "pat": {
          "box": {
            "syn": "Pat"
          }
        }
      }
    },
    {
      "ident": "PatRest",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "dot2_token": {
          "token": "DotDot"
        }
      }
    },
    {
      "ident": "PatSlice",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "bracket_token": {
          "group": "Bracket"
        },
        "elems": {
          "punctuated": {
            "element": {
              "syn": "Pat"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "PatStruct",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "qself": {
          "option": {
            "syn": "QSelf"
          }
        },
        "path": {
          "syn": "Path"
        },
        "brace_token": {
          "group": "Brace"
        },
        "fields": {
          "punctuated": {
            "element": {
              "syn": "FieldPat"
            },
            "punct": "Comma"
          }
        },
        "rest": {
          "option": {
            "syn": "PatRest"
          }
        }
      }
    },
    {
      "ident": "PatTuple",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "paren_token": {
          "group": "Paren"
        },
        "elems": {
          "punctuated": {
            "element": {
              "syn": "Pat"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "PatTupleStruct",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "qself": {
          "option": {
            "syn": "QSelf"
          }
        },
        "path": {
          "syn": "Path"
        },
        "paren_token": {
          "group": "Paren"
        },
        "elems": {
          "punctuated": {
            "element": {
              "syn": "Pat"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "PatType",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "pat": {
          "box": {
            "syn": "Pat"
          }
        },
        "colon_token": {
          "token": "Colon"
        },
        "ty": {
          "box": {
            "syn": "Type"
          }
        }
      }
    },
    {
      "ident": "PatWild",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "underscore_token": {
          "token": "Underscore"
        }
      }
    },
    {
      "ident": "Path",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "leading_colon": {
          "option": {
            "token": "PathSep"
          }
        },
        "segments": {
          "punctuated": {
            "element": {
              "syn": "PathSegment"
            },
            "punct": "PathSep"
          }
        }
      }
    },
    {
      "ident": "PathArguments",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "None": [],
        "AngleBracketed": [
          {
            "syn": "AngleBracketedGenericArguments"
          }
        ],
        "Parenthesized": [
          {
            "syn": "ParenthesizedGenericArguments"
          }
        ]
      }
    },
    {
      "ident": "PathSegment",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "ident": {
          "proc_macro2": "Ident"
        },
        "arguments": {
          "syn": "PathArguments"
        }
      }
    },
    {
      "ident": "PredicateLifetime",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "lifetime": {
          "syn": "Lifetime"
        },
        "colon_token": {
          "token": "Colon"
        },
        "bounds": {
          "punctuated": {
            "element": {
              "syn": "Lifetime"
            },
            "punct": "Plus"
          }
        }
      }
    },
    {
      "ident": "PredicateType",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "lifetimes": {
          "option": {
            "syn": "BoundLifetimes"
          }
        },
        "bounded_ty": {
          "syn": "Type"
        },
        "colon_token": {
          "token": "Colon"
        },
        "bounds": {
          "punctuated": {
            "element": {
              "syn": "TypeParamBound"
            },
            "punct": "Plus"
          }
        }
      }
    },
    {
      "ident": "QSelf",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "lt_token": {
          "token": "Lt"
        },
        "ty": {
          "box": {
            "syn": "Type"
          }
        },
        "position": {
          "std": "usize"
        },
        "as_token": {
          "option": {
            "token": "As"
          }
        },
        "gt_token": {
          "token": "Gt"
        }
      }
    },
    {
      "ident": "RangeLimits",
      "features": {
        "any": [
          "full"
        ]
      },
      "variants": {
        "HalfOpen": [
          {
            "token": "DotDot"
          }
        ],
        "Closed": [
          {
            "token": "DotDotEq"
          }
        ]
      }
    },
    {
      "ident": "Receiver",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "reference": {
          "option": {
            "tuple": [
              {
                "token": "And"
              },
              {
                "option": {
                  "syn": "Lifetime"
                }
              }
            ]
          }
        },
        "mutability": {
          "option": {
            "token": "Mut"
          }
        },
        "self_token": {
          "token": "SelfValue"
        },
        "colon_token": {
          "option": {
            "token": "Colon"
          }
        },
        "ty": {
          "box": {
            "syn": "Type"
          }
        }
      }
    },
    {
      "ident": "ReturnType",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "Default": [],
        "Type": [
          {
            "token": "RArrow"
          },
          {
            "box": {
              "syn": "Type"
            }
          }
        ]
      }
    },
    {
      "ident": "Signature",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "constness": {
          "option": {
            "token": "Const"
          }
        },
        "asyncness": {
          "option": {
            "token": "Async"
          }
        },
        "unsafety": {
          "option": {
            "token": "Unsafe"
          }
        },
        "abi": {
          "option": {
            "syn": "Abi"
          }
        },
        "fn_token": {
          "token": "Fn"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "paren_token": {
          "group": "Paren"
        },
        "inputs": {
          "punctuated": {
            "element": {
              "syn": "FnArg"
            },
            "punct": "Comma"
          }
        },
        "variadic": {
          "option": {
            "syn": "Variadic"
          }
        },
        "output": {
          "syn": "ReturnType"
        }
      }
    },
    {
      "ident": "StaticMutability",
      "features": {
        "any": [
          "full"
        ]
      },
      "variants": {
        "Mut": [
          {
            "token": "Mut"
          }
        ],
        "None": []
      },
      "exhaustive": false
    },
    {
      "ident": "Stmt",
      "features": {
        "any": [
          "full"
        ]
      },
      "variants": {
        "Local": [
          {
            "syn": "Local"
          }
        ],
        "Item": [
          {
            "syn": "Item"
          }
        ],
        "Expr": [
          {
            "syn": "Expr"
          },
          {
            "option": {
              "token": "Semi"
            }
          }
        ],
        "Macro": [
          {
            "syn": "StmtMacro"
          }
        ]
      }
    },
    {
      "ident": "StmtMacro",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "mac": {
          "syn": "Macro"
        },
        "semi_token": {
          "option": {
            "token": "Semi"
          }
        }
      }
    },
    {
      "ident": "TraitBound",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "paren_token": {
          "option": {
            "group": "Paren"
          }
        },
        "modifier": {
          "syn": "TraitBoundModifier"
        },
        "lifetimes": {
          "option": {
            "syn": "BoundLifetimes"
          }
        },
        "path": {
          "syn": "Path"
        }
      }
    },
    {
      "ident": "TraitBoundModifier",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "None": [],
        "Maybe": [
          {
            "token": "Question"
          }
        ]
      }
    },
    {
      "ident": "TraitItem",
      "features": {
        "any": [
          "full"
        ]
      },
      "variants": {
        "Const": [
          {
            "syn": "TraitItemConst"
          }
        ],
        "Fn": [
          {
            "syn": "TraitItemFn"
          }
        ],
        "Type": [
          {
            "syn": "TraitItemType"
          }
        ],
        "Macro": [
          {
            "syn": "TraitItemMacro"
          }
        ],
        "Verbatim": [
          {
            "proc_macro2": "TokenStream"
          }
        ]
      },
      "exhaustive": false
    },
    {
      "ident": "TraitItemConst",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "const_token": {
          "token": "Const"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "colon_token": {
          "token": "Colon"
        },
        "ty": {
          "syn": "Type"
        },
        "default": {
          "option": {
            "tuple": [
              {
                "token": "Eq"
              },
              {
                "syn": "Expr"
              }
            ]
          }
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "TraitItemFn",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "sig": {
          "syn": "Signature"
        },
        "default": {
          "option": {
            "syn": "Block"
          }
        },
        "semi_token": {
          "option": {
            "token": "Semi"
          }
        }
      }
    },
    {
      "ident": "TraitItemMacro",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "mac": {
          "syn": "Macro"
        },
        "semi_token": {
          "option": {
            "token": "Semi"
          }
        }
      }
    },
    {
      "ident": "TraitItemType",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "type_token": {
          "token": "Type"
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "generics": {
          "syn": "Generics"
        },
        "colon_token": {
          "option": {
            "token": "Colon"
          }
        },
        "bounds": {
          "punctuated": {
            "element": {
              "syn": "TypeParamBound"
            },
            "punct": "Plus"
          }
        },
        "default": {
          "option": {
            "tuple": [
              {
                "token": "Eq"
              },
              {
                "syn": "Type"
              }
            ]
          }
        },
        "semi_token": {
          "token": "Semi"
        }
      }
    },
    {
      "ident": "Type",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "Array": [
          {
            "syn": "TypeArray"
          }
        ],
        "BareFn": [
          {
            "syn": "TypeBareFn"
          }
        ],
        "Group": [
          {
            "syn": "TypeGroup"
          }
        ],
        "ImplTrait": [
          {
            "syn": "TypeImplTrait"
          }
        ],
        "Infer": [
          {
            "syn": "TypeInfer"
          }
        ],
        "Macro": [
          {
            "syn": "TypeMacro"
          }
        ],
        "Never": [
          {
            "syn": "TypeNever"
          }
        ],
        "Paren": [
          {
            "syn": "TypeParen"
          }
        ],
        "Path": [
          {
            "syn": "TypePath"
          }
        ],
        "Ptr": [
          {
            "syn": "TypePtr"
          }
        ],
        "Reference": [
          {
            "syn": "TypeReference"
          }
        ],
        "Slice": [
          {
            "syn": "TypeSlice"
          }
        ],
        "TraitObject": [
          {
            "syn": "TypeTraitObject"
          }
        ],
        "Tuple": [
          {
            "syn": "TypeTuple"
          }
        ],
        "Verbatim": [
          {
            "proc_macro2": "TokenStream"
          }
        ]
      },
      "exhaustive": false
    },
    {
      "ident": "TypeArray",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "bracket_token": {
          "group": "Bracket"
        },
        "elem": {
          "box": {
            "syn": "Type"
          }
        },
        "semi_token": {
          "token": "Semi"
        },
        "len": {
          "syn": "Expr"
        }
      }
    },
    {
      "ident": "TypeBareFn",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "lifetimes": {
          "option": {
            "syn": "BoundLifetimes"
          }
        },
        "unsafety": {
          "option": {
            "token": "Unsafe"
          }
        },
        "abi": {
          "option": {
            "syn": "Abi"
          }
        },
        "fn_token": {
          "token": "Fn"
        },
        "paren_token": {
          "group": "Paren"
        },
        "inputs": {
          "punctuated": {
            "element": {
              "syn": "BareFnArg"
            },
            "punct": "Comma"
          }
        },
        "variadic": {
          "option": {
            "syn": "BareVariadic"
          }
        },
        "output": {
          "syn": "ReturnType"
        }
      }
    },
    {
      "ident": "TypeGroup",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "group_token": {
          "group": "Group"
        },
        "elem": {
          "box": {
            "syn": "Type"
          }
        }
      }
    },
    {
      "ident": "TypeImplTrait",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "impl_token": {
          "token": "Impl"
        },
        "bounds": {
          "punctuated": {
            "element": {
              "syn": "TypeParamBound"
            },
            "punct": "Plus"
          }
        }
      }
    },
    {
      "ident": "TypeInfer",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "underscore_token": {
          "token": "Underscore"
        }
      }
    },
    {
      "ident": "TypeMacro",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "mac": {
          "syn": "Macro"
        }
      }
    },
    {
      "ident": "TypeNever",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "bang_token": {
          "token": "Not"
        }
      }
    },
    {
      "ident": "TypeParam",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "colon_token": {
          "option": {
            "token": "Colon"
          }
        },
        "bounds": {
          "punctuated": {
            "element": {
              "syn": "TypeParamBound"
            },
            "punct": "Plus"
          }
        },
        "eq_token": {
          "option": {
            "token": "Eq"
          }
        },
        "default": {
          "option": {
            "syn": "Type"
          }
        }
      }
    },
    {
      "ident": "TypeParamBound",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "Trait": [
          {
            "syn": "TraitBound"
          }
        ],
        "Lifetime": [
          {
            "syn": "Lifetime"
          }
        ],
        "Verbatim": [
          {
            "proc_macro2": "TokenStream"
          }
        ]
      },
      "exhaustive": false
    },
    {
      "ident": "TypeParen",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "paren_token": {
          "group": "Paren"
        },
        "elem": {
          "box": {
            "syn": "Type"
          }
        }
      }
    },
    {
      "ident": "TypePath",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "qself": {
          "option": {
            "syn": "QSelf"
          }
        },
        "path": {
          "syn": "Path"
        }
      }
    },
    {
      "ident": "TypePtr",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "star_token": {
          "token": "Star"
        },
        "const_token": {
          "option": {
            "token": "Const"
          }
        },
        "mutability": {
          "option": {
            "token": "Mut"
          }
        },
        "elem": {
          "box": {
            "syn": "Type"
          }
        }
      }
    },
    {
      "ident": "TypeReference",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "and_token": {
          "token": "And"
        },
        "lifetime": {
          "option": {
            "syn": "Lifetime"
          }
        },
        "mutability": {
          "option": {
            "token": "Mut"
          }
        },
        "elem": {
          "box": {
            "syn": "Type"
          }
        }
      }
    },
    {
      "ident": "TypeSlice",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "bracket_token": {
          "group": "Bracket"
        },
        "elem": {
          "box": {
            "syn": "Type"
          }
        }
      }
    },
    {
      "ident": "TypeTraitObject",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "dyn_token": {
          "option": {
            "token": "Dyn"
          }
        },
        "bounds": {
          "punctuated": {
            "element": {
              "syn": "TypeParamBound"
            },
            "punct": "Plus"
          }
        }
      }
    },
    {
      "ident": "TypeTuple",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "paren_token": {
          "group": "Paren"
        },
        "elems": {
          "punctuated": {
            "element": {
              "syn": "Type"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "UnOp",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "Deref": [
          {
            "token": "Star"
          }
        ],
        "Not": [
          {
            "token": "Not"
          }
        ],
        "Neg": [
          {
            "token": "Minus"
          }
        ]
      },
      "exhaustive": false
    },
    {
      "ident": "UseGlob",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "star_token": {
          "token": "Star"
        }
      }
    },
    {
      "ident": "UseGroup",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "brace_token": {
          "group": "Brace"
        },
        "items": {
          "punctuated": {
            "element": {
              "syn": "UseTree"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "UseName",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "ident": {
          "proc_macro2": "Ident"
        }
      }
    },
    {
      "ident": "UsePath",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "ident": {
          "proc_macro2": "Ident"
        },
        "colon2_token": {
          "token": "PathSep"
        },
        "tree": {
          "box": {
            "syn": "UseTree"
          }
        }
      }
    },
    {
      "ident": "UseRename",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "ident": {
          "proc_macro2": "Ident"
        },
        "as_token": {
          "token": "As"
        },
        "rename": {
          "proc_macro2": "Ident"
        }
      }
    },
    {
      "ident": "UseTree",
      "features": {
        "any": [
          "full"
        ]
      },
      "variants": {
        "Path": [
          {
            "syn": "UsePath"
          }
        ],
        "Name": [
          {
            "syn": "UseName"
          }
        ],
        "Rename": [
          {
            "syn": "UseRename"
          }
        ],
        "Glob": [
          {
            "syn": "UseGlob"
          }
        ],
        "Group": [
          {
            "syn": "UseGroup"
          }
        ]
      }
    },
    {
      "ident": "Variadic",
      "features": {
        "any": [
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "pat": {
          "option": {
            "tuple": [
              {
                "box": {
                  "syn": "Pat"
                }
              },
              {
                "token": "Colon"
              }
            ]
          }
        },
        "dots": {
          "token": "DotDotDot"
        },
        "comma": {
          "option": {
            "token": "Comma"
          }
        }
      }
    },
    {
      "ident": "Variant",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "attrs": {
          "vec": {
            "syn": "Attribute"
          }
        },
        "ident": {
          "proc_macro2": "Ident"
        },
        "fields": {
          "syn": "Fields"
        },
        "discriminant": {
          "option": {
            "tuple": [
              {
                "token": "Eq"
              },
              {
                "syn": "Expr"
              }
            ]
          }
        }
      }
    },
    {
      "ident": "VisRestricted",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "pub_token": {
          "token": "Pub"
        },
        "paren_token": {
          "group": "Paren"
        },
        "in_token": {
          "option": {
            "token": "In"
          }
        },
        "path": {
          "box": {
            "syn": "Path"
          }
        }
      }
    },
    {
      "ident": "Visibility",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "Public": [
          {
            "token": "Pub"
          }
        ],
        "Restricted": [
          {
            "syn": "VisRestricted"
          }
        ],
        "Inherited": []
      }
    },
    {
      "ident": "WhereClause",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "fields": {
        "where_token": {
          "token": "Where"
        },
        "predicates": {
          "punctuated": {
            "element": {
              "syn": "WherePredicate"
            },
            "punct": "Comma"
          }
        }
      }
    },
    {
      "ident": "WherePredicate",
      "features": {
        "any": [
          "derive",
          "full"
        ]
      },
      "variants": {
        "Lifetime": [
          {
            "syn": "PredicateLifetime"
          }
        ],
        "Type": [
          {
            "syn": "PredicateType"
          }
        ]
      },
      "exhaustive": false
    }
  ],
  "tokens": {
    "Abstract": "abstract",
    "And": "&",
    "AndAnd": "&&",
    "AndEq": "&=",
    "As": "as",
    "Async": "async",
    "At": "@",
    "Auto": "auto",
    "Await": "await",
    "Become": "become",
    "Box": "box",
    "Break": "break",
    "Caret": "^",
    "CaretEq": "^=",
    "Colon": ":",
    "Comma": ",",
    "Const": "const",
    "Continue": "continue",
    "Crate": "crate",
    "Default": "default",
    "Do": "do",
    "Dollar": "$",
    "Dot": ".",
    "DotDot": "..",
    "DotDotDot": "...",
    "DotDotEq": "..=",
    "Dyn": "dyn",
    "Else": "else",
    "Enum": "enum",
    "Eq": "=",
    "EqEq": "==",
    "Extern": "extern",
    "FatArrow": "=>",
    "Final": "final",
    "Fn": "fn",
    "For": "for",
    "Ge": ">=",
    "Gt": ">",
    "If": "if",
    "Impl": "impl",
    "In": "in",
    "LArrow": "<-",
    "Le": "<=",
    "Let": "let",
    "Loop": "loop",
    "Lt": "<",
    "Macro": "macro",
    "Match": "match",
    "Minus": "-",
    "MinusEq": "-=",
    "Mod": "mod",
    "Move": "move",
    "Mut": "mut",
    "Ne": "!=",
    "Not": "!",
    "Or": "|",
    "OrEq": "|=",
    "OrOr": "||",
    "Override": "override",
    "PathSep": "::",
    "Percent": "%",
    "PercentEq": "%=",
    "Plus": "+",
    "PlusEq": "+=",
    "Pound": "#",
    "Priv": "priv",
    "Pub": "pub",
    "Question": "?",
    "RArrow": "->",
    "Ref": "ref",
    "Return": "return",
    "SelfType": "Self",
    "SelfValue": "self",
    "Semi": ";",
    "Shl": "<<",
    "ShlEq": "<<=",
    "Shr": ">>",
    "ShrEq": ">>=",
    "Slash": "/",
    "SlashEq": "/=",
    "Star": "*",
    "StarEq": "*=",
    "Static": "static",
    "Struct": "struct",
    "Super": "super",
    "Tilde": "~",
    "Trait": "trait",
    "Try": "try",
    "Type": "type",
    "Typeof": "typeof",
    "Underscore": "_",
    "Union": "union",
    "Unsafe": "unsafe",
    "Unsized": "unsized",
    "Use": "use",
    "Virtual": "virtual",
    "Where": "where",
    "While": "while",
    "Yield": "yield"
  }
}