Export TypeKind as value (#3178)

Author: janicduplessis

src/type/index.ts

@@ -166,16 +166,13 @@ export {
   __InputValue,
   __EnumValue,
   __TypeKind,
+  /** "Enum" of Type Kinds */
+  TypeKind,
   /** Meta-field definitions. */
   SchemaMetaFieldDef,
   TypeMetaFieldDef,
   TypeNameMetaFieldDef,
 } from './introspection';
 
-export type {
-  /** "Enum" of Type Kinds */
-  TypeKind,
-} from './introspection';
-
 /** Validate GraphQL schema. */
 export { validateSchema, assertValidSchema } from './validate';