Fixed types.

types/graphql/language/directiveLocation.d.ts

@@ -1,7 +1,10 @@
 /**
  * The set of allowed directive location values.
  */
-export type DirectiveLocation = {
+export const DirectiveLocation: _DirectiveLocation;
+
+// @internal
+type _DirectiveLocation = {
     // Request Definitions
     QUERY: "QUERY";
     MUTATION: "MUTATION";
@@ -28,4 +31,4 @@ export type DirectiveLocation = {
 /**
  * The enum type representing the directive location values.
  */
-export type DirectiveLocationEnum = DirectiveLocation[keyof DirectiveLocation];
+export type DirectiveLocationEnum = _DirectiveLocation[keyof _DirectiveLocation];

types/graphql/language/kinds.d.ts

@@ -1,7 +1,10 @@
 /**
  * The set of allowed kind values for AST nodes.
  */
-export type Kind = {
+export const Kind: _Kind;
+
+// @internal
+type _Kind = {
     // Name
     NAME: "Name";
 
@@ -68,4 +71,4 @@ export type Kind = {
 /**
  * The enum type representing the possible kind values of AST nodes.
  */
-export type KindEnum = Kind[keyof Kind];
+export type KindEnum = _Kind[keyof _Kind];

types/graphql/language/lexer.d.ts

@@ -55,7 +55,10 @@ export interface Lexer<TOptions> {
  * An exported enum describing the different kinds of tokens that the
  * lexer emits.
  */
-export type TokenKind = {
+export const TokenKind: _TokenKind;
+
+// @internal
+type _TokenKind = {
     SOF: "<SOF>";
     EOF: "<EOF>";
     BANG: "!";
@@ -83,7 +86,7 @@ export type TokenKind = {
 /**
  * The enum type representing the token kinds values.
  */
-export type TokenKindEnum = TokenKind[keyof TokenKind];
+export type TokenKindEnum = _TokenKind[keyof _TokenKind];
 
 /**
  * A helper function to describe a token as a string for debugging

types/graphql/utilities/findBreakingChanges.d.ts

@@ -12,7 +12,10 @@ import { GraphQLDirective } from "../type/directives";
 import { GraphQLSchema } from "../type/schema";
 import { DirectiveLocationEnum } from "../language/directiveLocation";
 
-export type BreakingChangeType = {
+export const BreakingChangeType : _BreakingChangeType;
+
+// @internal
+type _BreakingChangeType = {
     FIELD_CHANGED_KIND: "FIELD_CHANGED_KIND";
     FIELD_REMOVED: "FIELD_REMOVED";
     TYPE_CHANGED_KIND: "TYPE_CHANGED_KIND";
@@ -30,7 +33,10 @@ export type BreakingChangeType = {
     NON_NULL_DIRECTIVE_ARG_ADDED: "NON_NULL_DIRECTIVE_ARG_ADDED";
 };
 
-export type DangerousChangeType = {
+export const DangerousChangeType: _DangerousChangeType;
+
+// @internal
+type _DangerousChangeType = {
     ARG_DEFAULT_VALUE_CHANGE: "ARG_DEFAULT_VALUE_CHANGE";
     VALUE_ADDED_TO_ENUM: "VALUE_ADDED_TO_ENUM";
     INTERFACE_ADDED_TO_OBJECT: "INTERFACE_ADDED_TO_OBJECT";
@@ -40,12 +46,12 @@ export type DangerousChangeType = {
 };
 
 export interface BreakingChange {
-    type: keyof BreakingChangeType;
+    type: keyof _BreakingChangeType;
     description: string;
 }
 
 export interface DangerousChange {
-    type: keyof DangerousChangeType;
+    type: keyof _DangerousChangeType;
     description: string;
 }