diff --git a/codegen/src/gen.rs b/codegen/src/gen.rs
index 9f622b9..c954961 100644
--- a/codegen/src/gen.rs
+++ b/codegen/src/gen.rs
@@ -340,7 +340,9 @@
         match ty {
             types::Type::Box(t) => box_visit(&*t, features, types, kind, name),
             types::Type::Vec(t) => vec_visit(&*t, features, types, kind, name),
-            types::Type::Punctuated(t, _) => punctuated_visit(&*t, features, types, kind, name),
+            types::Type::Punctuated(p) => {
+                punctuated_visit(p.element(), features, types, kind, name)
+            }
             types::Type::Option(t) => option_visit(&*t, features, types, kind, name),
             types::Type::Tuple(t) => tuple_visit(t, features, types, kind, name),
             types::Type::Token(t) => {
@@ -350,7 +352,7 @@
                     Some(token_punct_visit(t, kind, name))
                 }
             }
-            types::Type::TokenGroup(t) => Some(token_group_visit(&t[..], kind, name)),
+            types::Type::Group(t) => Some(token_group_visit(&t[..], kind, name)),
             types::Type::Item(t) => {
                 fn requires_full(features: &types::Features) -> bool {
                     features.contains("full") && features.len() == 1
diff --git a/codegen/src/parse.rs b/codegen/src/parse.rs
index e7eef19..25b8ac1 100644
--- a/codegen/src/parse.rs
+++ b/codegen/src/parse.rs
@@ -162,7 +162,7 @@
                         _ => panic!(),
                     };
 
-                    types::Type::Punctuated(Box::new(nested), punct)
+                    types::Type::Punctuated(types::Punctuated::new(nested, punct))
                 }
                 "Vec" => {
                     let nested = introspect_type(first_arg(&last.arguments), items, tokens);
@@ -173,7 +173,7 @@
                     types::Type::Box(Box::new(nested))
                 }
                 "Brace" | "Bracket" | "Paren" | "Group" => {
-                    types::Type::TokenGroup(last.ident.to_string())
+                    types::Type::Group(last.ident.to_string())
                 }
                 "TokenStream" | "Literal" => types::Type::Ext(last.ident.to_string()),
                 "String" | "u32" | "usize" | "bool" => types::Type::Std(last.ident.to_string()),
diff --git a/codegen/src/types.rs b/codegen/src/types.rs
index 3770f41..679b72e 100644
--- a/codegen/src/types.rs
+++ b/codegen/src/types.rs
@@ -1,7 +1,7 @@
 use std::ops;
 
 #[derive(Debug, Serialize)]
-#[serde(rename_all = "snake_case")]
+#[serde(tag = "node", rename_all = "lowercase")]
 pub enum TypeDef {
     Struct(Struct),
     Enum(Enum),
@@ -31,11 +31,12 @@
 #[derive(Debug, Serialize)]
 pub struct Field {
     ident: String,
+    #[serde(rename = "type")]
     ty: Type,
 }
 
 #[derive(Debug, Serialize)]
-#[serde(rename_all = "snake_case")]
+#[serde(rename_all = "lowercase")]
 pub enum Type {
     /// Type defined by `syn`
     Item(String),
@@ -50,10 +51,11 @@
     Token(Token),
 
     /// Token group
-    TokenGroup(String),
+    Group(String),
 
     /// Punctuated list
-    Punctuated(Box<Type>, Token),
+    Punctuated(Punctuated),
+
     Option(Box<Type>),
     Box(Box<Type>),
     Vec(Box<Type>),
@@ -63,9 +65,16 @@
 #[derive(Debug, Clone, Serialize)]
 pub struct Token {
     repr: String,
+    #[serde(rename = "type")]
     ty: String,
 }
 
+#[derive(Debug, Serialize)]
+pub struct Punctuated {
+    element: Box<Type>,
+    punct: Token,
+}
+
 #[derive(Debug, Default, Clone, Serialize)]
 pub struct Features {
     any: Vec<String>,
@@ -172,6 +181,16 @@
     }
 }
 
+impl Punctuated {
+    pub fn new(element: Type, punct: Token) -> Self {
+        Punctuated { element: Box::new(element), punct }
+    }
+
+    pub fn element(&self) -> &Type {
+        &self.element
+    }
+}
+
 impl Features {
     pub fn new(any: Vec<String>) -> Features {
         Features { any }
diff --git a/syn.json b/syn.json
index 9db26ba..597cc1f 100644
--- a/syn.json
+++ b/syn.json
@@ -2,9690 +2,9493 @@
   "version": "0.15.26",
   "types": [
     {
-      "struct": {
-        "ident": "Abi",
-        "features": {
-          "any": [
-            "full",
-            "derive"
-          ]
-        },
-        "fields": [
-          {
-            "ident": "extern_token",
-            "ty": {
-              "token": {
-                "repr": "extern",
-                "ty": "Extern"
-              }
-            }
-          },
-          {
-            "ident": "name",
-            "ty": {
-              "option": {
-                "item": "LitStr"
-              }
-            }
-          }
-        ],
-        "all_fields_pub": true
-      }
-    },
-    {
-      "struct": {
-        "ident": "AngleBracketedGenericArguments",
-        "features": {
-          "any": [
-            "full",
-            "derive"
-          ]
-        },
-        "fields": [
-          {
-            "ident": "colon2_token",
-            "ty": {
-              "option": {
-                "token": {
-                  "repr": "::",
-                  "ty": "Colon2"
-                }
-              }
-            }
-          },
-          {
-            "ident": "lt_token",
-            "ty": {
-              "token": {
-                "repr": "<",
-                "ty": "Lt"
-              }
-            }
-          },
-          {
-            "ident": "args",
-            "ty": {
-              "punctuated": [
-                {
-                  "item": "GenericArgument"
-                },
-                {
-                  "repr": ",",
-                  "ty": "Comma"
-                }
-              ]
-            }
-          },
-          {
-            "ident": "gt_token",
-            "ty": {
-              "token": {
-                "repr": ">",
-                "ty": "Gt"
-              }
-            }
-          }
-        ],
-        "all_fields_pub": true
-      }
-    },
-    {
-      "struct": {
-        "ident": "ArgCaptured",
-        "features": {
-          "any": [
-            "full"
-          ]
-        },
-        "fields": [
-          {
-            "ident": "pat",
-            "ty": {
-              "item": "Pat"
-            }
-          },
-          {
-            "ident": "colon_token",
-            "ty": {
-              "token": {
-                "repr": ":",
-                "ty": "Colon"
-              }
-            }
-          },
-          {
-            "ident": "ty",
-            "ty": {
-              "item": "Type"
-            }
-          }
-        ],
-        "all_fields_pub": true
-      }
-    },
-    {
-      "struct": {
-        "ident": "ArgSelf",
-        "features": {
-          "any": [
-            "full"
-          ]
-        },
-        "fields": [
-          {
-            "ident": "mutability",
-            "ty": {
-              "option": {
-                "token": {
-                  "repr": "mut",
-                  "ty": "Mut"
-                }
-              }
-            }
-          },
-          {
-            "ident": "self_token",
-            "ty": {
-              "token": {
-                "repr": "self",
-                "ty": "SelfValue"
-              }
-            }
-          }
-        ],
-        "all_fields_pub": true
-      }
-    },
-    {
-      "struct": {
-        "ident": "ArgSelfRef",
-        "features": {
-          "any": [
-            "full"
-          ]
-        },
-        "fields": [
-          {
-            "ident": "and_token",
-            "ty": {
-              "token": {
-                "repr": "&",
-                "ty": "And"
-              }
-            }
-          },
-          {
-            "ident": "lifetime",
-            "ty": {
-              "option": {
-                "item": "Lifetime"
-              }
-            }
-          },
-          {
-            "ident": "mutability",
-            "ty": {
-              "option": {
-                "token": {
-                  "repr": "mut",
-                  "ty": "Mut"
-                }
-              }
-            }
-          },
-          {
-            "ident": "self_token",
-            "ty": {
-              "token": {
-                "repr": "self",
-                "ty": "SelfValue"
-              }
-            }
-          }
-        ],
-        "all_fields_pub": true
-      }
-    },
-    {
-      "struct": {
-        "ident": "Arm",
-        "features": {
-          "any": [
-            "full"
-          ]
-        },
-        "fields": [
-          {
-            "ident": "attrs",
-            "ty": {
-              "vec": {
-                "item": "Attribute"
-              }
-            }
-          },
-          {
-            "ident": "leading_vert",
-            "ty": {
-              "option": {
-                "token": {
-                  "repr": "|",
-                  "ty": "Or"
-                }
-              }
-            }
-          },
-          {
-            "ident": "pats",
-            "ty": {
-              "punctuated": [
-                {
-                  "item": "Pat"
-                },
-                {
-                  "repr": "|",
-                  "ty": "Or"
-                }
-              ]
-            }
-          },
-          {
-            "ident": "guard",
-            "ty": {
-              "option": {
-                "tuple": [
-                  {
-                    "token": {
-                      "repr": "if",
-                      "ty": "If"
-                    }
-                  },
-                  {
-                    "box": {
-                      "item": "Expr"
-                    }
-                  }
-                ]
-              }
-            }
-          },
-          {
-            "ident": "fat_arrow_token",
-            "ty": {
-              "token": {
-                "repr": "=>",
-                "ty": "FatArrow"
-              }
-            }
-          },
-          {
-            "ident": "body",
-            "ty": {
-              "box": {
-                "item": "Expr"
-              }
-            }
-          },
-          {
-            "ident": "comma",
-            "ty": {
-              "option": {
-                "token": {
-                  "repr": ",",
-                  "ty": "Comma"
-                }
-              }
-            }
-          }
-        ],
-        "all_fields_pub": true
-      }
-    },
-    {
-      "enum": {
-        "ident": "AttrStyle",
-        "features": {
-          "any": [
-            "full",
-            "derive"
-          ]
-        },
-        "variants": [
-          {
-            "ident": "Outer",
-            "fields": []
-          },
-          {
-            "ident": "Inner",
-            "fields": [
-              {
-                "token": {
-                  "repr": "!",
-                  "ty": "Bang"
-                }
-              }
-            ]
-          }
+      "node": "struct",
+      "ident": "Abi",
+      "features": {
+        "any": [
+          "full",
+          "derive"
         ]
-      }
-    },
-    {
-      "struct": {
-        "ident": "Attribute",
-        "features": {
-          "any": [
-            "full",
-            "derive"
-          ]
-        },
-        "fields": [
-          {
-            "ident": "pound_token",
-            "ty": {
-              "token": {
-                "repr": "#",
-                "ty": "Pound"
-              }
-            }
-          },
-          {
-            "ident": "style",
-            "ty": {
-              "item": "AttrStyle"
-            }
-          },
-          {
-            "ident": "bracket_token",
-            "ty": {
-              "token_group": "Bracket"
-            }
-          },
-          {
-            "ident": "path",
-            "ty": {
-              "item": "Path"
-            }
-          },
-          {
-            "ident": "tts",
-            "ty": {
-              "ext": "TokenStream"
+      },
+      "fields": [
+        {
+          "ident": "extern_token",
+          "type": {
+            "token": {
+              "repr": "extern",
+              "type": "Extern"
             }
           }
-        ],
-        "all_fields_pub": true
-      }
-    },
-    {
-      "struct": {
-        "ident": "BareFnArg",
-        "features": {
-          "any": [
-            "full",
-            "derive"
-          ]
         },
-        "fields": [
-          {
-            "ident": "name",
-            "ty": {
-              "option": {
-                "tuple": [
-                  {
-                    "item": "BareFnArgName"
-                  },
-                  {
-                    "token": {
-                      "repr": ":",
-                      "ty": "Colon"
-                    }
-                  }
-                ]
-              }
-            }
-          },
-          {
-            "ident": "ty",
-            "ty": {
-              "item": "Type"
+        {
+          "ident": "name",
+          "type": {
+            "option": {
+              "item": "LitStr"
             }
           }
-        ],
-        "all_fields_pub": true
-      }
+        }
+      ],
+      "all_fields_pub": true
     },
     {
-      "enum": {
-        "ident": "BareFnArgName",
-        "features": {
-          "any": [
-            "full",
-            "derive"
-          ]
-        },
-        "variants": [
-          {
-            "ident": "Named",
-            "fields": [
-              {
-                "item": "Ident"
-              }
-            ]
-          },
-          {
-            "ident": "Wild",
-            "fields": [
-              {
-                "token": {
-                  "repr": "_",
-                  "ty": "Underscore"
-                }
-              }
-            ]
-          }
+      "node": "struct",
+      "ident": "AngleBracketedGenericArguments",
+      "features": {
+        "any": [
+          "full",
+          "derive"
         ]
-      }
+      },
+      "fields": [
+        {
+          "ident": "colon2_token",
+          "type": {
+            "option": {
+              "token": {
+                "repr": "::",
+                "type": "Colon2"
+              }
+            }
+          }
+        },
+        {
+          "ident": "lt_token",
+          "type": {
+            "token": {
+              "repr": "<",
+              "type": "Lt"
+            }
+          }
+        },
+        {
+          "ident": "args",
+          "type": {
+            "punctuated": {
+              "element": {
+                "item": "GenericArgument"
+              },
+              "punct": {
+                "repr": ",",
+                "type": "Comma"
+              }
+            }
+          }
+        },
+        {
+          "ident": "gt_token",
+          "type": {
+            "token": {
+              "repr": ">",
+              "type": "Gt"
+            }
+          }
+        }
+      ],
+      "all_fields_pub": true
     },
     {
-      "enum": {
-        "ident": "BinOp",
-        "features": {
-          "any": [
-            "full",
-            "derive"
-          ]
-        },
-        "variants": [
-          {
-            "ident": "Add",
-            "fields": [
-              {
-                "token": {
-                  "repr": "+",
-                  "ty": "Add"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "Sub",
-            "fields": [
-              {
-                "token": {
-                  "repr": "-",
-                  "ty": "Sub"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "Mul",
-            "fields": [
-              {
-                "token": {
-                  "repr": "*",
-                  "ty": "Star"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "Div",
-            "fields": [
-              {
-                "token": {
-                  "repr": "/",
-                  "ty": "Div"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "Rem",
-            "fields": [
-              {
-                "token": {
-                  "repr": "%",
-                  "ty": "Rem"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "And",
-            "fields": [
-              {
-                "token": {
-                  "repr": "&&",
-                  "ty": "AndAnd"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "Or",
-            "fields": [
-              {
-                "token": {
-                  "repr": "||",
-                  "ty": "OrOr"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "BitXor",
-            "fields": [
-              {
-                "token": {
-                  "repr": "^",
-                  "ty": "Caret"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "BitAnd",
-            "fields": [
-              {
-                "token": {
-                  "repr": "&",
-                  "ty": "And"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "BitOr",
-            "fields": [
-              {
-                "token": {
-                  "repr": "|",
-                  "ty": "Or"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "Shl",
-            "fields": [
-              {
-                "token": {
-                  "repr": "<<",
-                  "ty": "Shl"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "Shr",
-            "fields": [
-              {
-                "token": {
-                  "repr": ">>",
-                  "ty": "Shr"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "Eq",
-            "fields": [
-              {
-                "token": {
-                  "repr": "==",
-                  "ty": "EqEq"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "Lt",
-            "fields": [
-              {
-                "token": {
-                  "repr": "<",
-                  "ty": "Lt"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "Le",
-            "fields": [
-              {
-                "token": {
-                  "repr": "<=",
-                  "ty": "Le"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "Ne",
-            "fields": [
-              {
-                "token": {
-                  "repr": "!=",
-                  "ty": "Ne"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "Ge",
-            "fields": [
-              {
-                "token": {
-                  "repr": ">=",
-                  "ty": "Ge"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "Gt",
-            "fields": [
-              {
-                "token": {
-                  "repr": ">",
-                  "ty": "Gt"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "AddEq",
-            "fields": [
-              {
-                "token": {
-                  "repr": "+=",
-                  "ty": "AddEq"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "SubEq",
-            "fields": [
-              {
-                "token": {
-                  "repr": "-=",
-                  "ty": "SubEq"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "MulEq",
-            "fields": [
-              {
-                "token": {
-                  "repr": "*=",
-                  "ty": "MulEq"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "DivEq",
-            "fields": [
-              {
-                "token": {
-                  "repr": "/=",
-                  "ty": "DivEq"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "RemEq",
-            "fields": [
-              {
-                "token": {
-                  "repr": "%=",
-                  "ty": "RemEq"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "BitXorEq",
-            "fields": [
-              {
-                "token": {
-                  "repr": "^=",
-                  "ty": "CaretEq"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "BitAndEq",
-            "fields": [
-              {
-                "token": {
-                  "repr": "&=",
-                  "ty": "AndEq"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "BitOrEq",
-            "fields": [
-              {
-                "token": {
-                  "repr": "|=",
-                  "ty": "OrEq"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "ShlEq",
-            "fields": [
-              {
-                "token": {
-                  "repr": "<<=",
-                  "ty": "ShlEq"
-                }
-              }
-            ]
-          },
-          {
-            "ident": "ShrEq",
-            "fields": [
-              {
-                "token": {
-                  "repr": ">>=",
-                  "ty": "ShrEq"
-                }
-              }
-            ]
-          }
+      "node": "struct",
+      "ident": "ArgCaptured",
+      "features": {
+        "any": [
+          "full"
         ]
-      }
-    },
-    {
-      "struct": {
-        "ident": "Binding",
-        "features": {
-          "any": [
-            "full",
-            "derive"
-          ]
+      },
+      "fields": [
+        {
+          "ident": "pat",
+          "type": {
+            "item": "Pat"
+          }
         },
-        "fields": [
-          {
-            "ident": "ident",
-            "ty": {
-              "item": "Ident"
-            }
-          },
-          {
-            "ident": "eq_token",
-            "ty": {
-              "token": {
-                "repr": "=",
-                "ty": "Eq"
-              }
-            }
-          },
-          {
-            "ident": "ty",
-            "ty": {
-              "item": "Type"
+        {
+          "ident": "colon_token",
+          "type": {
+            "token": {
+              "repr": ":",
+              "type": "Colon"
             }
           }
-        ],
-        "all_fields_pub": true
-      }
+        },
+        {
+          "ident": "ty",
+          "type": {
+            "item": "Type"
+          }
+        }
+      ],
+      "all_fields_pub": true
     },
     {
-      "struct": {
-        "ident": "Block",
-        "features": {
-          "any": [
-            "full"
-          ]
-        },
-        "fields": [
-          {
-            "ident": "brace_token",
-            "ty": {
-              "token_group": "Brace"
-            }
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+          "ident": "leading_vert",
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             }
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+        },
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                 "repr": "|",
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               }
             }
           }
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+        {
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+              "type": "FatArrow"
             }
           }
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                 "repr": "!",
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               }
             }
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     {
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         ]
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                 {
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                 },
                 {
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                 }
               ]
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+      ],
+      "all_fields_pub": true
+    },
+    {
+      "node": "struct",
+      "ident": "UseName",
+      "features": {
+        "any": [
+          "full"
+        ]
+      },
+      "fields": [
+        {
+          "ident": "ident",
+          "type": {
+            "item": "Ident"
+          }
+        }
+      ],
+      "all_fields_pub": true
+    },
+    {
+      "node": "struct",
+      "ident": "UsePath",
+      "features": {
+        "any": [
+          "full"
+        ]
+      },
+      "fields": [
+        {
+          "ident": "ident",
+          "type": {
+            "item": "Ident"
+          }
+        },
+        {
+          "ident": "colon2_token",
+          "type": {
+            "token": {
+              "repr": "::",
+              "type": "Colon2"
+            }
+          }
+        },
+        {
+          "ident": "tree",
+          "type": {
+            "box": {
+              "item": "UseTree"
+            }
+          }
+        }
+      ],
+      "all_fields_pub": true
+    },
+    {
+      "node": "struct",
+      "ident": "UseRename",
+      "features": {
+        "any": [
+          "full"
+        ]
+      },
+      "fields": [
+        {
+          "ident": "ident",
+          "type": {
+            "item": "Ident"
+          }
+        },
+        {
+          "ident": "as_token",
+          "type": {
+            "token": {
+              "repr": "as",
+              "type": "As"
+            }
+          }
+        },
+        {
+          "ident": "rename",
+          "type": {
+            "item": "Ident"
+          }
+        }
+      ],
+      "all_fields_pub": true
+    },
+    {
+      "node": "enum",
+      "ident": "UseTree",
+      "features": {
+        "any": [
+          "full"
+        ]
+      },
+      "variants": [
+        {
+          "ident": "Path",
+          "fields": [
+            {
+              "item": "UsePath"
+            }
+          ]
+        },
+        {
+          "ident": "Name",
+          "fields": [
+            {
+              "item": "UseName"
+            }
+          ]
+        },
+        {
+          "ident": "Rename",
+          "fields": [
+            {
+              "item": "UseRename"
+            }
+          ]
+        },
+        {
+          "ident": "Glob",
+          "fields": [
+            {
+              "item": "UseGlob"
+            }
+          ]
+        },
+        {
+          "ident": "Group",
+          "fields": [
+            {
+              "item": "UseGroup"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "node": "struct",
+      "ident": "Variant",
+      "features": {
+        "any": [
+          "full",
+          "derive"
+        ]
+      },
+      "fields": [
+        {
+          "ident": "attrs",
+          "type": {
+            "vec": {
+              "item": "Attribute"
+            }
+          }
+        },
+        {
+          "ident": "ident",
+          "type": {
+            "item": "Ident"
+          }
+        },
+        {
+          "ident": "fields",
+          "type": {
+            "item": "Fields"
+          }
+        },
+        {
+          "ident": "discriminant",
+          "type": {
+            "option": {
+              "tuple": [
+                {
+                  "token": {
+                    "repr": "=",
+                    "type": "Eq"
+                  }
+                },
+                {
+                  "item": "Expr"
+                }
+              ]
+            }
+          }
+        }
+      ],
+      "all_fields_pub": true
+    },
+    {
+      "node": "struct",
+      "ident": "VisCrate",
+      "features": {
+        "any": [
+          "full",
+          "derive"
+        ]
+      },
+      "fields": [
+        {
+          "ident": "crate_token",
+          "type": {
+            "token": {
+              "repr": "crate",
+              "type": "Crate"
+            }
+          }
+        }
+      ],
+      "all_fields_pub": true
+    },
+    {
+      "node": "struct",
+      "ident": "VisPublic",
+      "features": {
+        "any": [
+          "full",
+          "derive"
+        ]
+      },
+      "fields": [
+        {
+          "ident": "pub_token",
+          "type": {
+            "token": {
+              "repr": "pub",
+              "type": "Pub"
+            }
+          }
+        }
+      ],
+      "all_fields_pub": true
+    },
+    {
+      "node": "struct",
+      "ident": "VisRestricted",
+      "features": {
+        "any": [
+          "full",
+          "derive"
+        ]
+      },
+      "fields": [
+        {
+          "ident": "pub_token",
+          "type": {
+            "token": {
+              "repr": "pub",
+              "type": "Pub"
+            }
+          }
+        },
+        {
+          "ident": "paren_token",
+          "type": {
+            "group": "Paren"
+          }
+        },
+        {
+          "ident": "in_token",
+          "type": {
+            "option": {
+              "token": {
+                "repr": "in",
+                "type": "In"
+              }
+            }
+          }
+        },
+        {
+          "ident": "path",
+          "type": {
+            "box": {
               "item": "Path"
             }
           }
-        ],
-        "all_fields_pub": true
-      }
+        }
+      ],
+      "all_fields_pub": true
     },
     {
-      "struct": {
-        "ident": "TypePtr",
-        "features": {
-          "any": [
-            "full",
-            "derive"
-          ]
-        },
-        "fields": [
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-            "ident": "star_token",
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-                "repr": "*",
-                "ty": "Star"
-              }
-            }
-          },
-          {
-            "ident": "const_token",
-            "ty": {
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-                  "repr": "const",
-                  "ty": "Const"
-                }
-              }
-            }
-          },
-          {
-            "ident": "mutability",
-            "ty": {
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-                  "repr": "mut",
-                  "ty": "Mut"
-                }
-              }
-            }
-          },
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-            "derive"
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-            }
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-          {
-            "ident": "lifetime",
-            "ty": {
-              "option": {
-                "item": "Lifetime"
-              }
-            }
-          },
-          {
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-                "token": {
-                  "repr": "mut",
-                  "ty": "Mut"
-                }
-              }
-            }
-          },
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-                "item": "Type"
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-            }
-          }
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-            "derive"
-          ]
-        },
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-            }
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-          {
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-              "box": {
-                "item": "Type"
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-            "derive"
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-                  "ty": "Dyn"
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-                  "item": "TypeParamBound"
-                },
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-        ],
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-            "derive"
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-                  "item": "Type"
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-                {
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-                  "ty": "Comma"
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-            }
-          }
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-            "derive"
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-              }
-            ]
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-                  "ty": "Bang"
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-              }
-            ]
-          },
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-            "fields": [
-              {
-                "token": {
-                  "repr": "-",
-                  "ty": "Sub"
-                }
-              }
-            ]
-          }
+      "node": "enum",
+      "ident": "Visibility",
+      "features": {
+        "any": [
+          "full",
+          "derive"
         ]
-      }
-    },
-    {
-      "struct": {
-        "ident": "UseGlob",
-        "features": {
-          "any": [
-            "full"
+      },
+      "variants": [
+        {
+          "ident": "Public",
+          "fields": [
+            {
+              "item": "VisPublic"
+            }
           ]
         },
-        "fields": [
-          {
-            "ident": "star_token",
-            "ty": {
-              "token": {
-                "repr": "*",
-                "ty": "Star"
-              }
+        {
+          "ident": "Crate",
+          "fields": [
+            {
+              "item": "VisCrate"
             }
-          }
-        ],
-        "all_fields_pub": true
-      }
-    },
-    {
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-        "ident": "UseGroup",
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-            "full"
           ]
         },
-        "fields": [
-          {
-            "ident": "brace_token",
-            "ty": {
-              "token_group": "Brace"
+        {
+          "ident": "Restricted",
+          "fields": [
+            {
+              "item": "VisRestricted"
             }
-          },
-          {
-            "ident": "items",
-            "ty": {
-              "punctuated": [
-                {
-                  "item": "UseTree"
-                },
-                {
-                  "repr": ",",
-                  "ty": "Comma"
-                }
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-          }
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           ]
         },
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-            "ident": "ident",
-            "ty": {
-              "item": "Ident"
-            }
-          }
-        ],
-        "all_fields_pub": true
-      }
+        {
+          "ident": "Inherited",
+          "fields": []
+        }
+      ]
     },
     {
-      "struct": {
-        "ident": "UsePath",
-        "features": {
-          "any": [
-            "full"
-          ]
-        },
-        "fields": [
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-          },
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-                "ty": "Colon2"
-              }
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-          },
-          {
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-              }
-            }
-          }
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-      }
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-            ]
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-              }
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-          },
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-              }
-            ]
-          },
-          {
-            "ident": "Group",
-            "fields": [
-              {
-                "item": "UseGroup"
-              }
-            ]
-          }
+      "node": "struct",
+      "ident": "WhereClause",
+      "features": {
+        "any": [
+          "full",
+          "derive"
         ]
-      }
-    },
-    {
-      "struct": {
-        "ident": "Variant",
-        "features": {
-          "any": [
-            "full",
-            "derive"
-          ]
+      },
+      "fields": [
+        {
+          "ident": "where_token",
+          "type": {
+            "token": {
+              "repr": "where",
+              "type": "Where"
+            }
+          }
         },
-        "fields": [
-          {
-            "ident": "attrs",
-            "ty": {
-              "vec": {
-                "item": "Attribute"
-              }
-            }
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-                      "repr": "=",
-                      "ty": "Eq"
-                    }
-                  },
-                  {
-                    "item": "Expr"
-                  }
-                ]
+        {
+          "ident": "predicates",
+          "type": {
+            "punctuated": {
+              "element": {
+                "item": "WherePredicate"
+              },
+              "punct": {
+                "repr": ",",
+                "type": "Comma"
               }
             }
           }
-        ],
-        "all_fields_pub": true
-      }
+        }
+      ],
+      "all_fields_pub": true
     },
     {
-      "struct": {
-        "ident": "VisCrate",
-        "features": {
-          "any": [
-            "full",
-            "derive"
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-            "derive"
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-            }
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-          {
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-              }
-            }
-          },
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-            "derive"
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-            ]
-          },
-          {
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-            "fields": [
-              {
-                "item": "VisRestricted"
-              }
-            ]
-          },
-          {
-            "ident": "Inherited",
-            "fields": []
-          }
+      "node": "enum",
+      "ident": "WherePredicate",
+      "features": {
+        "any": [
+          "full",
+          "derive"
         ]
-      }
-    },
-    {
-      "struct": {
-        "ident": "WhereClause",
-        "features": {
-          "any": [
-            "full",
-            "derive"
+      },
+      "variants": [
+        {
+          "ident": "Type",
+          "fields": [
+            {
+              "item": "PredicateType"
+            }
           ]
         },
-        "fields": [
-          {
-            "ident": "where_token",
-            "ty": {
-              "token": {
-                "repr": "where",
-                "ty": "Where"
-              }
+        {
+          "ident": "Lifetime",
+          "fields": [
+            {
+              "item": "PredicateLifetime"
             }
-          },
-          {
-            "ident": "predicates",
-            "ty": {
-              "punctuated": [
-                {
-                  "item": "WherePredicate"
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-    {
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-            "derive"
           ]
         },
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-            "fields": [
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-                "item": "PredicateLifetime"
-              }
-            ]
-          },
-          {
-            "ident": "Eq",
-            "fields": [
-              {
-                "item": "PredicateEq"
-              }
-            ]
-          }
-        ]
-      }
+        {
+          "ident": "Eq",
+          "fields": [
+            {
+              "item": "PredicateEq"
+            }
+          ]
+        }
+      ]
     }
   ]
 }
\ No newline at end of file