1 files changed, 8 insertions, 5 deletions
diff --git a/tools/node_modules/eslint/node_modules/@babel/types/lib/definitions/flow.js b/tools/node_modules/eslint/node_modules/@babel/types/lib/definitions/flow.js
index fa4218fd0d..40bcc2e13f 100644
--- a/tools/node_modules/eslint/node_modules/@babel/types/lib/definitions/flow.js
+++ b/tools/node_modules/eslint/node_modules/@babel/types/lib/definitions/flow.js
@@ -3,18 +3,21 @@
 var _utils = require("./utils");
 const defineType = (0, _utils.defineAliasedType)("Flow");
 const defineInterfaceishType = name => {
+  const isDeclareClass = name === "DeclareClass";
   defineType(name, {
     builder: ["id", "typeParameters", "extends", "body"],
-    visitor: ["id", "typeParameters", "extends", "mixins", "implements", "body"],
+    visitor: ["id", "typeParameters", "extends", ...(isDeclareClass ? ["mixins", "implements"] : []), "body"],
     aliases: ["FlowDeclaration", "Statement", "Declaration"],
-    fields: {
+    fields: Object.assign({
       id: (0, _utils.validateType)("Identifier"),
       typeParameters: (0, _utils.validateOptionalType)("TypeParameterDeclaration"),
-      extends: (0, _utils.validateOptional)((0, _utils.arrayOfType)("InterfaceExtends")),
+      extends: (0, _utils.validateOptional)((0, _utils.arrayOfType)("InterfaceExtends"))
+    }, isDeclareClass ? {
       mixins: (0, _utils.validateOptional)((0, _utils.arrayOfType)("InterfaceExtends")),
-      implements: (0, _utils.validateOptional)((0, _utils.arrayOfType)("ClassImplements")),
+      implements: (0, _utils.validateOptional)((0, _utils.arrayOfType)("ClassImplements"))
+    } : {}, {
       body: (0, _utils.validateType)("ObjectTypeAnnotation")
-    }
+    })
   });
 };
 defineType("AnyTypeAnnotation", {