Remove the DataMasking interface

.api-reports/api-report-core.api.md

@@ -17,7 +17,6 @@ import { CombinedProtocolErrors } from '@apollo/client/errors';
 import { concat } from '@apollo/client/link';
 import { createHttpLink } from '@apollo/client/link/http';
 import { createSignalIfSupported } from '@apollo/client/link/http';
-import { DataMasking } from '@apollo/client/masking';
 import type { DeepPartial } from '@apollo/client/utilities';
 import { defaultDataIdFromObject } from '@apollo/client/cache';
 import { defaultPrinter } from '@apollo/client/link/http';
@@ -394,8 +393,6 @@ export { createHttpLink }
 
 export { createSignalIfSupported }
 
-export { DataMasking }
-
 // @public (undocumented)
 export type DataState<TData> = {
     data: DataValue.Complete<TData>;

.api-reports/api-report-masking.api.md

@@ -39,10 +39,6 @@ type CombineIntersection<T> = Exclude<T, {
 // @public (undocumented)
 type ContainsFragmentsRefs<TData, Seen = never> = true extends (IsAny<TData>) ? false : TData extends object ? Exact<TData> extends Seen ? false : " $fragmentRefs" extends keyof RemoveIndexSignature<TData> ? true : ContainsFragmentsRefs<TData[keyof TData], Seen | Exact<TData>> : false;
 
-// @public (undocumented)
-export interface DataMasking {
-}
-
 // @internal @deprecated (undocumented)
 export const disableWarningsSlot: {
     readonly id: string;

.api-reports/api-report.api.md

@@ -807,10 +807,6 @@ export const createSignalIfSupported: () => {
     signal: AbortSignal;
 };
 
-// @public (undocumented)
-export interface DataMasking {
-}
-
 // @public (undocumented)
 export type DataState<TData> = {
     data: DataValue.Complete<TData>;

.changeset/weak-goats-melt.md

@@ -0,0 +1,5 @@
+---
+"@apollo/client": major
+---
+
+Remove the `DataMasking` interface exported from `@apollo/client` and `@apollo/client/masking`.

src/core/index.ts

@@ -137,7 +137,6 @@ export {
 
 /* Masking */
 export type {
-  DataMasking,
   FragmentType,
   MaybeMasked,
   Unmasked,

src/masking/index.ts

@@ -1,9 +1,4 @@
-export type {
-  DataMasking,
-  FragmentType,
-  MaybeMasked,
-  Unmasked,
-} from "./types.js";
+export type { FragmentType, MaybeMasked, Unmasked } from "./types.js";
 export type { GraphQLCodegenDataMasking } from "./GraphQLCodegenDataMasking.js";
 export { disableWarningsSlot } from "./utils.js";
 export { maskFragment } from "./maskFragment.js";

src/masking/types.ts

@@ -3,8 +3,6 @@ import type { ApplyHKTImplementationWithDefault } from "@apollo/client/utilities
 
 import type { PreserveTypes } from "./PreserveTypes.js";
 
-export interface DataMasking {}
-
 export type FragmentType<TData> = ApplyHKTImplementationWithDefault<
   TypeOverrides,
   "FragmentType",