{ "ArrowFunctionExpression": "es6.arrowFunctions", "AwaitExpression": "es7.asyncFunctions", "ClassBody": "es6.classes", "ClassDeclaration": "es6.classes", "ClassExpression": "es6.classes", "MethodDefinition": "es6.classes", "ComprehensionBlock": "es7.comprehensions", "ComprehensionExpression": "es7.comprehensions", "ForOfStatement": "es6.forOf", "ExportBatchSpecifier": "es6.modules", "ExportDeclaration": "es6.modules", "ExportSpecifier": "es6.modules", "ImportBatchSpecifier": "es6.modules", "ImportDeclaration": "es6.modules", "ImportSpecifier": "es6.modules", "ArrayPattern": "es6.destructuring", "AssignmentPattern": "es6.destructuring", "ObjectPattern": "es6.destructuring", "RestElement": "es6.parameters.rest", "SpreadElement": "es6.spread", "SpreadProperty": "es7.objectSpread", "TaggedTemplateExpression": "es6.templateLiterals", "TemplateElement": "es6.templateLiterals", "TemplateLiteral": "es6.templateLiterals", "VirtualPropertyExpression": "es7.abstractReferences", "PrivateDeclaration": "es7.abstractReferences", "YieldExpression": "es6.generators", "AnyTypeAnnotation": "flow", "ArrayTypeAnnotation": "flow", "BooleanTypeAnnotation": "flow", "ClassProperty": "flow", "DeclareClass": "flow", "DeclareFunction": "flow", "DeclareModule": "flow", "DeclareVariable": "flow", "FunctionTypeAnnotation": "flow", "FunctionTypeParam": "flow", "GenericTypeAnnotation": "flow", "InterfaceExtends": "flow", "InterfaceDeclaration": "flow", "IntersectionTypeAnnotation": "flow", "NullableTypeAnnotation": "flow", "NumberTypeAnnotation": "flow", "StringLiteralTypeAnnotation": "flow", "StringTypeAnnotation": "flow", "TupleTypeAnnotation": "flow", "TypeofTypeAnnotation": "flow", "TypeAlias": "flow", "TypeAnnotation": "flow", "TypeParameterDeclaration": "flow", "TypeParameterInstantiation": "flow", "ObjectTypeAnnotation": "flow", "ObjectTypeCallProperty": "flow", "ObjectTypeIndexer": "flow", "ObjectTypeProperty": "flow", "QualifiedTypeIdentifier": "flow", "UnionTypeAnnotation": "flow", "VoidTypeAnnotation": "flow", "JSXAttribute": "jsx", "JSXClosingElement": "jsx", "JSXElement": "jsx", "JSXEmptyExpression": "jsx", "JSXExpressionContainer": "jsx", "JSXIdentifier": "jsx", "JSXMemberExpression": "jsx", "JSXNamespacedName": "jsx", "JSXOpeningElement": "jsx", "JSXSpreadAttribute": "jsx" }