diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index cb6a4dc7f..d6a9ede1f 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -9618,19 +9618,19 @@ interface RTCPeerConnection extends EventTarget {
     onsignalingstatechange: (this: RTCPeerConnection, ev: Event) => any;
     readonly remoteDescription: RTCSessionDescription | null;
     readonly signalingState: RTCSignalingState;
-    addIceCandidate(candidate: RTCIceCandidate, successCallback?: VoidFunction, failureCallback?: RTCPeerConnectionErrorCallback): Promise<void>;
+    addIceCandidate(candidate: RTCIceCandidateInit | RTCIceCandidate): Promise<void>;
     addStream(stream: MediaStream): void;
     close(): void;
-    createAnswer(successCallback?: RTCSessionDescriptionCallback, failureCallback?: RTCPeerConnectionErrorCallback): Promise<RTCSessionDescription>;
-    createOffer(successCallback?: RTCSessionDescriptionCallback, failureCallback?: RTCPeerConnectionErrorCallback, options?: RTCOfferOptions): Promise<RTCSessionDescription>;
+    createAnswer(options?: RTCAnswerOptions): Promise<RTCSessionDescriptionInit>;
+    createOffer(options?: RTCOfferOptions): Promise<RTCSessionDescriptionInit>;
     getConfiguration(): RTCConfiguration;
     getLocalStreams(): MediaStream[];
     getRemoteStreams(): MediaStream[];
     getStats(selector: MediaStreamTrack | null, successCallback?: RTCStatsCallback, failureCallback?: RTCPeerConnectionErrorCallback): Promise<RTCStatsReport>;
     getStreamById(streamId: string): MediaStream | null;
     removeStream(stream: MediaStream): void;
-    setLocalDescription(description: RTCSessionDescription, successCallback?: VoidFunction, failureCallback?: RTCPeerConnectionErrorCallback): Promise<void>;
-    setRemoteDescription(description: RTCSessionDescription, successCallback?: VoidFunction, failureCallback?: RTCPeerConnectionErrorCallback): Promise<void>;
+    setLocalDescription(description: RTCSessionDescriptionInit): Promise<void>;
+    setRemoteDescription(description: RTCSessionDescriptionInit): Promise<void>;
     addEventListener<K extends keyof RTCPeerConnectionEventMap>(type: K, listener: (this: RTCPeerConnection, ev: RTCPeerConnectionEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
     addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
     removeEventListener<K extends keyof RTCPeerConnectionEventMap>(type: K, listener: (this: RTCPeerConnection, ev: RTCPeerConnectionEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
diff --git a/inputfiles/overridingTypes.json b/inputfiles/overridingTypes.json
index 9216597bc..f0e959c4d 100644
--- a/inputfiles/overridingTypes.json
+++ b/inputfiles/overridingTypes.json
@@ -1854,5 +1854,45 @@
         "name": "type",
         "readonly": true,
         "type": "MutationRecordType"
+    },
+		{
+        "kind": "method",
+        "name": "createAnswer",
+        "interface": "RTCPeerConnection",
+        "signatures": [
+            "createAnswer(options?: RTCAnswerOptions): Promise<RTCSessionDescriptionInit>"
+        ]
+    },
+	{
+        "kind": "method",
+        "name": "createOffer",
+        "interface": "RTCPeerConnection",
+        "signatures": [
+            "createOffer(options?: RTCOfferOptions): Promise<RTCSessionDescriptionInit>"
+        ]
+    },
+	{
+        "kind": "method",
+        "name": "setLocalDescription",
+        "interface": "RTCPeerConnection",
+        "signatures": [
+            "setLocalDescription(description: RTCSessionDescriptionInit): Promise<void>"
+        ]
+    },
+	{
+        "kind": "method",
+        "name": "setRemoteDescription",
+        "interface": "RTCPeerConnection",
+        "signatures": [
+            "setRemoteDescription(description: RTCSessionDescriptionInit): Promise<void>"
+        ]
+    },
+	{
+        "kind": "method",
+        "name": "addIceCandidate",
+        "interface": "RTCPeerConnection",
+        "signatures": [
+            "addIceCandidate(candidate: RTCIceCandidateInit | RTCIceCandidate): Promise<void>"
+        ]
     }
 ]
\ No newline at end of file