diff --git a/types/relay-runtime/index.d.ts b/types/relay-runtime/index.d.ts
index 612db6b47d..037dc8f3bc 100644
--- a/types/relay-runtime/index.d.ts
+++ b/types/relay-runtime/index.d.ts
@@ -192,6 +192,17 @@ export { RelayFeatureFlags } from './lib/util/RelayFeatureFlags';
 export { default as deepFreeze } from './lib/util/deepFreeze';
 export { default as isPromise } from './lib/util/isPromise';
 
+import * as fetchQueryInternal from './lib/query/fetchQueryInternal';
+
+interface Internal {
+    fetchQuery: typeof fetchQueryInternal.fetchQuery;
+    fetchQueryDeduped: typeof fetchQueryInternal.fetchQueryDeduped;
+    getPromiseForActiveRequest: typeof fetchQueryInternal.getPromiseForActiveRequest;
+    getObservableForActiveRequest: typeof fetchQueryInternal.getObservableForActiveRequest;
+}
+
+export const __internal: Internal;
+
 /**
  * relay-compiler-language-typescript support for fragment references
  */
diff --git a/types/relay-runtime/lib/query/fetchQueryInternal.d.ts b/types/relay-runtime/lib/query/fetchQueryInternal.d.ts
new file mode 100644
index 0000000000..46688cea19
--- /dev/null
+++ b/types/relay-runtime/lib/query/fetchQueryInternal.d.ts
@@ -0,0 +1,25 @@
+import { CacheConfig } from '../util/RelayRuntimeTypes';
+import { Environment, OperationDescriptor, RequestDescriptor } from '../store/RelayStoreTypes';
+import { GraphQLResponse } from '../network/RelayNetworkTypes';
+import { RelayObservable as Observable } from '../network/RelayObservable';
+
+export function fetchQuery(
+    environment: Environment,
+    operation: OperationDescriptor,
+    options?: {
+        networkCacheConfig?: CacheConfig;
+    },
+): Observable<GraphQLResponse>;
+
+export function fetchQueryDeduped(
+    environment: Environment,
+    request: RequestDescriptor,
+    fetchFn: () => Observable<GraphQLResponse>,
+): Observable<GraphQLResponse>;
+
+export function getPromiseForActiveRequest(environment: Environment, request: RequestDescriptor): Promise<void> | null;
+
+export function getObservableForActiveRequest(
+    environment: Environment,
+    request: RequestDescriptor,
+): Observable<void> | null;
diff --git a/types/relay-runtime/relay-runtime-tests.tsx b/types/relay-runtime/relay-runtime-tests.tsx
index 432c5f33b7..12a86c319c 100644
--- a/types/relay-runtime/relay-runtime-tests.tsx
+++ b/types/relay-runtime/relay-runtime-tests.tsx
@@ -14,6 +14,7 @@ import {
     commitLocalUpdate,
     ReaderFragment,
     isPromise,
+    __internal,
 } from 'relay-runtime';
 
 const source = new RecordSource();