From b8b221f8960708d84fe1fdf8e1a1e4dc08676cbf Mon Sep 17 00:00:00 2001
From: joseph-neeraj <joseph.neeraj@gmail.com>
Date: Fri, 3 Apr 2026 12:28:15 +0100
Subject: [PATCH 1/5] =?UTF-8?q?=F0=9F=A4=96=20Merge=20PR=20#74812=20[maste?=
 =?UTF-8?q?rcard-oauth1-signer]=20remove=20mastercard-oauth1-signer=20type?=
 =?UTF-8?q?s=20by=20@joseph-neeraj?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 notNeededPackages.json                        |  4 ++++
 types/mastercard-oauth1-signer/.npmignore     |  5 -----
 types/mastercard-oauth1-signer/index.d.ts     | 15 ---------------
 .../mastercard-oauth1-signer-tests.ts         |  4 ----
 types/mastercard-oauth1-signer/package.json   | 17 -----------------
 types/mastercard-oauth1-signer/tsconfig.json  | 19 -------------------
 6 files changed, 4 insertions(+), 60 deletions(-)
 delete mode 100644 types/mastercard-oauth1-signer/.npmignore
 delete mode 100644 types/mastercard-oauth1-signer/index.d.ts
 delete mode 100644 types/mastercard-oauth1-signer/mastercard-oauth1-signer-tests.ts
 delete mode 100644 types/mastercard-oauth1-signer/package.json
 delete mode 100644 types/mastercard-oauth1-signer/tsconfig.json

diff --git a/notNeededPackages.json b/notNeededPackages.json
index 63a51318385296..887873d2403a32 100644
--- a/notNeededPackages.json
+++ b/notNeededPackages.json
@@ -4145,6 +4145,10 @@
             "libraryName": "marked",
             "asOfVersion": "6.0.0"
         },
+        "mastercard-oauth1-signer": {
+            "libraryName": "mastercard-oauth1-signer",
+            "asOfVersion": "1.2.0"
+        },
         "match-sorter": {
             "libraryName": "match-sorter",
             "asOfVersion": "6.0.0"
diff --git a/types/mastercard-oauth1-signer/.npmignore b/types/mastercard-oauth1-signer/.npmignore
deleted file mode 100644
index 93e307400a5456..00000000000000
--- a/types/mastercard-oauth1-signer/.npmignore
+++ /dev/null
@@ -1,5 +0,0 @@
-*
-!**/*.d.ts
-!**/*.d.cts
-!**/*.d.mts
-!**/*.d.*.ts
diff --git a/types/mastercard-oauth1-signer/index.d.ts b/types/mastercard-oauth1-signer/index.d.ts
deleted file mode 100644
index 675edc4fd29fba..00000000000000
--- a/types/mastercard-oauth1-signer/index.d.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-// tslint:disable-next-line:no-unnecessary-class
-declare class OAuth {
-    /**
-     * Creates a Mastercard API compliant OAuth Authorization header
-     */
-    static getAuthorizationHeader(
-        uri: string,
-        method: string,
-        payload: string,
-        consumerKey: string,
-        signingKey: string,
-    ): string;
-}
-
-export = OAuth;
diff --git a/types/mastercard-oauth1-signer/mastercard-oauth1-signer-tests.ts b/types/mastercard-oauth1-signer/mastercard-oauth1-signer-tests.ts
deleted file mode 100644
index 8b82011fd87f05..00000000000000
--- a/types/mastercard-oauth1-signer/mastercard-oauth1-signer-tests.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-import OAuth = require("mastercard-oauth1-signer");
-
-// $ExpectType string
-OAuth.getAuthorizationHeader("https://example.com", "POST", "foo", "consumerKey", "signingKey");
diff --git a/types/mastercard-oauth1-signer/package.json b/types/mastercard-oauth1-signer/package.json
deleted file mode 100644
index 9b44fe6b6dc7e8..00000000000000
--- a/types/mastercard-oauth1-signer/package.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-    "private": true,
-    "name": "@types/mastercard-oauth1-signer",
-    "version": "1.1.9999",
-    "projects": [
-        "https://github.com/Mastercard/oauth1-signer-nodejs#readme"
-    ],
-    "devDependencies": {
-        "@types/mastercard-oauth1-signer": "workspace:."
-    },
-    "owners": [
-        {
-            "name": "Dean Pienaar",
-            "githubUsername": "deanpienaar"
-        }
-    ]
-}
diff --git a/types/mastercard-oauth1-signer/tsconfig.json b/types/mastercard-oauth1-signer/tsconfig.json
deleted file mode 100644
index 89a57b63ad9e67..00000000000000
--- a/types/mastercard-oauth1-signer/tsconfig.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-    "compilerOptions": {
-        "module": "node16",
-        "lib": [
-            "es6"
-        ],
-        "noImplicitAny": true,
-        "noImplicitThis": true,
-        "strictFunctionTypes": true,
-        "strictNullChecks": true,
-        "types": [],
-        "noEmit": true,
-        "forceConsistentCasingInFileNames": true
-    },
-    "files": [
-        "index.d.ts",
-        "mastercard-oauth1-signer-tests.ts"
-    ]
-}

From 7a5b4baa1a67169e9b3c11d624bfeac2af78acc7 Mon Sep 17 00:00:00 2001
From: kwnt-dev <kwnt.dev@gmail.com>
Date: Fri, 3 Apr 2026 20:41:11 +0900
Subject: [PATCH 2/5] =?UTF-8?q?=F0=9F=A4=96=20Merge=20PR=20#74668=20[clipp?=
 =?UTF-8?q?er-lib]=20Add=20type=20definitions=20by=20@kwnt-dev?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 types/clipper-lib/.npmignore           |   5 +
 types/clipper-lib/clipper-lib-tests.ts | 108 +++++++++++++++
 types/clipper-lib/index.d.ts           | 177 +++++++++++++++++++++++++
 types/clipper-lib/package.json         |  17 +++
 types/clipper-lib/tsconfig.json        |  19 +++
 5 files changed, 326 insertions(+)
 create mode 100644 types/clipper-lib/.npmignore
 create mode 100644 types/clipper-lib/clipper-lib-tests.ts
 create mode 100644 types/clipper-lib/index.d.ts
 create mode 100644 types/clipper-lib/package.json
 create mode 100644 types/clipper-lib/tsconfig.json

diff --git a/types/clipper-lib/.npmignore b/types/clipper-lib/.npmignore
new file mode 100644
index 00000000000000..93e307400a5456
--- /dev/null
+++ b/types/clipper-lib/.npmignore
@@ -0,0 +1,5 @@
+*
+!**/*.d.ts
+!**/*.d.cts
+!**/*.d.mts
+!**/*.d.*.ts
diff --git a/types/clipper-lib/clipper-lib-tests.ts b/types/clipper-lib/clipper-lib-tests.ts
new file mode 100644
index 00000000000000..cf8ab9620ed7f3
--- /dev/null
+++ b/types/clipper-lib/clipper-lib-tests.ts
@@ -0,0 +1,108 @@
+import * as ClipperLib from "clipper-lib";
+
+// IntPoint
+const pt: ClipperLib.IntPoint = { X: 10, Y: 20 };
+const ptZ: ClipperLib.IntPoint = { X: 10, Y: 20, Z: 5 };
+
+// Path / Paths
+const path: ClipperLib.Path = [
+    { X: 0, Y: 0 },
+    { X: 100, Y: 0 },
+    { X: 100, Y: 100 },
+    { X: 0, Y: 100 },
+];
+const paths: ClipperLib.Paths = [path];
+
+// Enums
+const ct: ClipperLib.ClipType = ClipperLib.ClipType.ctUnion;
+const pt2: ClipperLib.PolyType = ClipperLib.PolyType.ptSubject;
+const pft: ClipperLib.PolyFillType = ClipperLib.PolyFillType.pftEvenOdd;
+const jt: ClipperLib.JoinType = ClipperLib.JoinType.jtRound;
+const et: ClipperLib.EndType = ClipperLib.EndType.etClosedPolygon;
+
+
+// Clipper - constructor
+const cpr = new ClipperLib.Clipper();
+const cpr2 = new ClipperLib.Clipper(
+    ClipperLib.InitOptions.ioStrictlySimple | ClipperLib.InitOptions.ioPreserveCollinear,
+);
+
+// Clipper - instance methods
+cpr.AddPath(path, ClipperLib.PolyType.ptSubject, true);
+cpr.AddPaths(paths, ClipperLib.PolyType.ptClip, true);
+const solution: ClipperLib.Paths = [];
+const success: boolean = cpr.Execute(ClipperLib.ClipType.ctIntersection, solution);
+const bounds: ClipperLib.IntRect = cpr.GetBounds();
+cpr.Clear();
+
+// Clipper - properties
+cpr.PreserveCollinear = true;
+cpr.ReverseSolution = false;
+cpr.StrictlySimple = true;
+
+// Clipper - static methods
+const area: number = ClipperLib.Clipper.Area(path);
+const cleaned: ClipperLib.Path = ClipperLib.Clipper.CleanPolygon(path, 1.1);
+const cleanedPaths: ClipperLib.Paths = ClipperLib.Clipper.CleanPolygons(paths, 1.1);
+const orientation: boolean = ClipperLib.Clipper.Orientation(path);
+const inPoly: number = ClipperLib.Clipper.PointInPolygon(pt, path);
+ClipperLib.Clipper.ReversePath(path);
+ClipperLib.Clipper.ReversePaths(paths);
+const simplified: ClipperLib.Paths = ClipperLib.Clipper.SimplifyPolygon(path);
+const simplifiedPaths: ClipperLib.Paths = ClipperLib.Clipper.SimplifyPolygons(paths);
+
+// Clipper - PolyTree
+const polytree = new ClipperLib.PolyTree();
+cpr.AddPath(path, ClipperLib.PolyType.ptSubject, true);
+cpr.Execute(ClipperLib.ClipType.ctUnion, polytree);
+const closedPaths: ClipperLib.Paths = ClipperLib.Clipper.ClosedPathsFromPolyTree(polytree);
+const openPaths: ClipperLib.Paths = ClipperLib.Clipper.OpenPathsFromPolyTree(polytree);
+const allPaths: ClipperLib.Paths = ClipperLib.Clipper.PolyTreeToPaths(polytree);
+const total: number = polytree.Total();
+const first: ClipperLib.PolyNode = polytree.GetFirst();
+polytree.Clear();
+
+// PolyNode
+const node = new ClipperLib.PolyNode();
+const childCount: number = node.ChildCount();
+const childs: ClipperLib.PolyNode[] = node.Childs();
+const contour: ClipperLib.Path = node.Contour();
+const next: ClipperLib.PolyNode = node.GetNext();
+const isHole: boolean = node.IsHole();
+const parent: ClipperLib.PolyNode = node.Parent();
+const isOpen: boolean = node.IsOpen;
+
+// Clipper - Minkowski
+const minkDiff: ClipperLib.Paths = ClipperLib.Clipper.MinkowskiDiff(path, path);
+const minkSum: ClipperLib.Paths = ClipperLib.Clipper.MinkowskiSum(path, path, true);
+
+// Clipper - deprecated OffsetPaths
+const offsetted: ClipperLib.Paths = ClipperLib.Clipper.OffsetPaths(paths, 10);
+
+// ClipperOffset
+const co = new ClipperLib.ClipperOffset();
+const co2 = new ClipperLib.ClipperOffset(2.0, 0.25);
+co.AddPath(path, ClipperLib.JoinType.jtRound, ClipperLib.EndType.etClosedPolygon);
+co.AddPaths(paths, ClipperLib.JoinType.jtSquare, ClipperLib.EndType.etClosedPolygon);
+const offsetSolution: ClipperLib.Paths = [];
+co.Execute(offsetSolution, 10);
+co.ArcTolerance = 0.25;
+co.MiterLimit = 2.0;
+co.Clear();
+
+// JS Helper functions
+ClipperLib.JS.ScaleUpPath(path, 100);
+ClipperLib.JS.ScaleUpPaths(paths, 100);
+ClipperLib.JS.ScaleDownPath(path, 100);
+ClipperLib.JS.ScaleDownPaths(paths, 100);
+const areaOf: number = ClipperLib.JS.AreaOfPolygon(path);
+const areasOf: number = ClipperLib.JS.AreaOfPolygons(paths);
+const boundsPath: ClipperLib.IntRect = ClipperLib.JS.BoundsOfPath(path);
+const boundsPaths: ClipperLib.IntRect = ClipperLib.JS.BoundsOfPaths(paths);
+const cloned: ClipperLib.Paths = ClipperLib.JS.Clone(paths);
+const cleanedJS: ClipperLib.Path = ClipperLib.JS.Clean(path, 1.0);
+const lightened: ClipperLib.Path = ClipperLib.JS.Lighten(path, 1.0);
+const perimPath: number = ClipperLib.JS.PerimeterOfPath(path, true);
+const perimPaths: number = ClipperLib.JS.PerimeterOfPaths(paths, true);
+const exPolys: ClipperLib.ExPolygons = ClipperLib.JS.PolyTreeToExPolygons(polytree);
+const fromEx: ClipperLib.Paths = ClipperLib.JS.ExPolygonsToPaths(exPolys);
diff --git a/types/clipper-lib/index.d.ts b/types/clipper-lib/index.d.ts
new file mode 100644
index 00000000000000..76558c40f802bc
--- /dev/null
+++ b/types/clipper-lib/index.d.ts
@@ -0,0 +1,177 @@
+export as namespace ClipperLib;
+
+// --- Preprocessor flags ---
+export var use_int32: boolean;
+export var use_xyz: boolean;
+export var use_lines: boolean;
+export var use_deprecated: boolean;
+
+// --- Types ---
+
+export interface IntPoint {
+    X: number;
+    Y: number;
+    Z?: number;
+}
+
+export interface IntRect {
+    left: number;
+    top: number;
+    right: number;
+    bottom: number;
+}
+
+export type Path = IntPoint[];
+export type Paths = Path[];
+
+export interface ExPolygon {
+    outer: Path;
+    holes: Paths;
+}
+
+export type ExPolygons = ExPolygon[];
+
+// --- Enums ---
+
+export enum ClipType {
+    ctIntersection = 0,
+    ctUnion = 1,
+    ctDifference = 2,
+    ctXor = 3,
+}
+
+export enum PolyType {
+    ptSubject = 0,
+    ptClip = 1,
+}
+
+export enum PolyFillType {
+    pftEvenOdd = 0,
+    pftNonZero = 1,
+    pftPositive = 2,
+    pftNegative = 3,
+}
+
+export enum JoinType {
+    jtSquare = 0,
+    jtRound = 1,
+    jtMiter = 2,
+}
+
+export enum EndType {
+    etClosedPolygon = 0,
+    etClosedLine = 1,
+    etOpenButt = 2,
+    etOpenSquare = 3,
+    etOpenRound = 4,
+}
+
+export enum EndType_ {
+    etSquare = 0,
+    etRound = 1,
+    etButt = 2,
+    etSingle = 3,
+}
+
+export enum InitOptions {
+    ioReverseSolution = 1,
+    ioStrictlySimple = 2,
+    ioPreserveCollinear = 4,
+}
+
+// --- PolyNode ---
+
+export class PolyNode {
+    IsOpen: boolean;
+    ChildCount(): number;
+    Childs(): PolyNode[];
+    Contour(): Path;
+    GetNext(): PolyNode;
+    IsHole(): boolean;
+    Parent(): PolyNode;
+}
+
+// --- PolyTree ---
+
+export class PolyTree extends PolyNode {
+    Clear(): void;
+    GetFirst(): PolyNode;
+    Total(): number;
+}
+
+// --- Clipper ---
+
+export class Clipper {
+    constructor(initOptions?: number);
+
+    PreserveCollinear: boolean;
+    ReverseSolution: boolean;
+    StrictlySimple: boolean;
+    ZFillFunction:
+        | ((bot1: IntPoint, top1: IntPoint, bot2: IntPoint, top2: IntPoint, pt: IntPoint) => void)
+        | null;
+
+    AddPath(path: Path, polyType: PolyType, closed: boolean): boolean;
+    AddPaths(paths: Paths, polyType: PolyType, closed: boolean): boolean;
+    Clear(): void;
+    Execute(clipType: ClipType, solution: Paths, subjFillType?: PolyFillType, clipFillType?: PolyFillType): boolean;
+    Execute(
+        clipType: ClipType,
+        solution: PolyTree,
+        subjFillType?: PolyFillType,
+        clipFillType?: PolyFillType,
+    ): boolean;
+    GetBounds(): IntRect;
+
+    static Area(poly: Path): number;
+    static CleanPolygon(path: Path, distance?: number): Path;
+    static CleanPolygons(polys: Paths, distance?: number): Paths;
+    static ClosedPathsFromPolyTree(polytree: PolyTree): Paths;
+    static MinkowskiDiff(poly1: Path, poly2: Path): Paths;
+    static MinkowskiSum(pattern: Path, path: Path, pathIsClosed: boolean): Paths;
+    static MinkowskiSum(pattern: Path, paths: Paths, pathIsClosed: boolean): Paths;
+    static OffsetPaths(polys: Paths, delta: number, joinType?: JoinType, endType?: EndType_, limit?: number): Paths;
+    static OpenPathsFromPolyTree(polytree: PolyTree): Paths;
+    static Orientation(poly: Path): boolean;
+    static PointInPolygon(pt: IntPoint, path: Path): number;
+    static PolyTreeToPaths(polytree: PolyTree): Paths;
+    static ReversePath(path: Path): void;
+    static ReversePaths(paths: Paths): void;
+    static SimplifyPolygon(poly: Path, fillType?: PolyFillType): Paths;
+    static SimplifyPolygons(polys: Paths, fillType?: PolyFillType): Paths;
+}
+
+// --- ClipperOffset ---
+
+export class ClipperOffset {
+    constructor(miterLimit?: number, arcTolerance?: number);
+
+    ArcTolerance: number;
+    MiterLimit: number;
+
+    AddPath(path: Path, joinType: JoinType, endType: EndType): void;
+    AddPaths(paths: Paths, joinType: JoinType, endType: EndType): void;
+    Clear(): void;
+    Execute(solution: Paths, delta: number): void;
+    Execute(solution: PolyTree, delta: number): void;
+}
+
+// --- JS Helper functions ---
+
+export namespace JS {
+    function AreaOfPolygon(poly: Path, scale?: number): number;
+    function AreaOfPolygons(polys: Paths, scale?: number): number;
+    function BoundsOfPath(path: Path): IntRect;
+    function BoundsOfPaths(paths: Paths): IntRect;
+    function Clone(paths: Paths): Paths;
+    function Clean(path: Path, delta: number): Path;
+    function Lighten(path: Path, tolerance: number): Path;
+    function PerimeterOfPath(path: Path, closed: boolean, scale?: number): number;
+    function PerimeterOfPaths(paths: Paths, closed: boolean, scale?: number): number;
+    function ScaleDownPath(path: Path, scale: number): void;
+    function ScaleDownPaths(paths: Paths, scale: number): void;
+    function ScaleUpPath(path: Path, scale: number): void;
+    function ScaleUpPaths(paths: Paths, scale: number): void;
+    function PolyTreeToExPolygons(polytree: PolyTree): ExPolygons;
+    function ExPolygonsToPaths(exPolygons: ExPolygons): Paths;
+}
diff --git a/types/clipper-lib/package.json b/types/clipper-lib/package.json
new file mode 100644
index 00000000000000..353f369bfcedde
--- /dev/null
+++ b/types/clipper-lib/package.json
@@ -0,0 +1,17 @@
+{
+    "private": true,
+    "name": "@types/clipper-lib",
+    "version": "6.4.9999",
+    "projects": [
+        "https://github.com/junmer/clipper-lib"
+    ],
+    "devDependencies": {
+        "@types/clipper-lib": "workspace:."
+    },
+    "owners": [
+        {
+            "name": "kwnt-dev",
+            "githubUsername": "kwnt-dev"
+        }
+    ]
+}
diff --git a/types/clipper-lib/tsconfig.json b/types/clipper-lib/tsconfig.json
new file mode 100644
index 00000000000000..6f393c8e8364e2
--- /dev/null
+++ b/types/clipper-lib/tsconfig.json
@@ -0,0 +1,19 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "clipper-lib-tests.ts"
+    ]
+}

From 55715dc70d577a9dfd8bcad9e45b48285fbe2946 Mon Sep 17 00:00:00 2001
From: TypeScript Bot <typescriptbot@microsoft.com>
Date: Fri, 3 Apr 2026 11:41:52 +0000
Subject: [PATCH 3/5] =?UTF-8?q?=F0=9F=A4=96=20dprint=20fmt?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 types/clipper-lib/clipper-lib-tests.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/types/clipper-lib/clipper-lib-tests.ts b/types/clipper-lib/clipper-lib-tests.ts
index cf8ab9620ed7f3..3c3080788a6b2a 100644
--- a/types/clipper-lib/clipper-lib-tests.ts
+++ b/types/clipper-lib/clipper-lib-tests.ts
@@ -20,7 +20,6 @@ const pft: ClipperLib.PolyFillType = ClipperLib.PolyFillType.pftEvenOdd;
 const jt: ClipperLib.JoinType = ClipperLib.JoinType.jtRound;
 const et: ClipperLib.EndType = ClipperLib.EndType.etClosedPolygon;
 
-
 // Clipper - constructor
 const cpr = new ClipperLib.Clipper();
 const cpr2 = new ClipperLib.Clipper(

From 90cba21ee8476e05d04e851a5fc31eb5fe23988f Mon Sep 17 00:00:00 2001
From: Jon Bishop <84878937+jbishop-cbs@users.noreply.github.com>
Date: Fri, 3 Apr 2026 09:03:35 -0700
Subject: [PATCH 4/5] =?UTF-8?q?=F0=9F=A4=96=20Merge=20PR=20#74670=20[@type?=
 =?UTF-8?q?s/chromecast-caf-receiver]=20Revert=20const=20enum=20to=20enum?=
 =?UTF-8?q?=20by=20@jbishop-cbs?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-authored-by: Jon Bishop <jonathan.bishop@paramount.com>
---
 .../cast.framework.d.ts                       |  6 +-
 .../cast.framework.events.d.ts                |  6 +-
 .../cast.framework.messages.d.ts              | 64 +++++++++----------
 .../cast.framework.system.d.ts                | 16 ++---
 .../cast.framework.ui.d.ts                    | 16 ++---
 .../chromecast-caf-receiver-tests.ts          | 21 ++++++
 6 files changed, 75 insertions(+), 54 deletions(-)

diff --git a/types/chromecast-caf-receiver/cast.framework.d.ts b/types/chromecast-caf-receiver/cast.framework.d.ts
index 80d0823f8aa39f..e1f6343bae5713 100644
--- a/types/chromecast-caf-receiver/cast.framework.d.ts
+++ b/types/chromecast-caf-receiver/cast.framework.d.ts
@@ -11,7 +11,7 @@ export import system = system;
 export import messages = messages;
 
 export as namespace framework;
-export const enum LoggerLevel {
+export enum LoggerLevel {
     DEBUG = 0,
     VERBOSE = 500,
     INFO = 800,
@@ -24,7 +24,7 @@ export const enum LoggerLevel {
  * Content protection type.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework#.ContentProtection
  */
-export const enum ContentProtection {
+export enum ContentProtection {
     NONE = "none",
     CLEARKEY = "clearkey",
     PLAYREADY = "playready",
@@ -997,7 +997,7 @@ export class NetworkRequestInfo {
  *
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework#.ShakaVariant
  */
-export const enum ShakaVariant {
+export enum ShakaVariant {
     /**
      * The standard, default build.
      */
diff --git a/types/chromecast-caf-receiver/cast.framework.events.d.ts b/types/chromecast-caf-receiver/cast.framework.events.d.ts
index 59da95ce50094d..b2560465b0100b 100644
--- a/types/chromecast-caf-receiver/cast.framework.events.d.ts
+++ b/types/chromecast-caf-receiver/cast.framework.events.d.ts
@@ -17,7 +17,7 @@ export as namespace events;
  * Player event types for @see{@link framework.PlayerManager}.
  * https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.events#.EventType
  */
-export const enum EventType {
+export enum EventType {
     ALL = "*",
     ABORT = "ABORT",
     CAN_PLAY = "CAN_PLAY",
@@ -97,7 +97,7 @@ export const enum EventType {
     TRACKS_CHANGED = "TRACKS_CHANGED",
 }
 
-export const enum DetailedErrorCode {
+export enum DetailedErrorCode {
     MEDIA_UNKNOWN = 100,
     MEDIA_ABORTED = 101,
     MEDIA_DECODE = 102,
@@ -144,7 +144,7 @@ export const enum DetailedErrorCode {
  * The error severity. Follows the same naming scheme and numbering as Shaka Player.
  * https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.events#.EventType
  */
-export const enum ErrorSeverity {
+export enum ErrorSeverity {
     RECOVERABLE = 1,
     CRITICAL = 2,
 }
diff --git a/types/chromecast-caf-receiver/cast.framework.messages.d.ts b/types/chromecast-caf-receiver/cast.framework.messages.d.ts
index bd360fdc146f41..a2f045ec2aa7f0 100644
--- a/types/chromecast-caf-receiver/cast.framework.messages.d.ts
+++ b/types/chromecast-caf-receiver/cast.framework.messages.d.ts
@@ -6,7 +6,7 @@ export as namespace messages;
  * Possible caption mimetype of text track.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.CaptionMimeType}
  */
-export const enum CaptionMimeType {
+export enum CaptionMimeType {
     CEA608 = "text/cea608",
     TTML = "application/ttml+xml",
     TTML_MP4 = "application/mp4",
@@ -17,7 +17,7 @@ export const enum CaptionMimeType {
  * Commands supported by {@link framework.messages.MediaStatus.supportedMediaCommands}.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.Command}
  */
-export const enum Command {
+export enum Command {
     PAUSE = 1,
     SEEK = 2,
     STREAM_VOLUME = 4,
@@ -43,7 +43,7 @@ export const enum Command {
  * Possible types of container metadata.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.ContainerType}
  */
-export const enum ContainerType {
+export enum ContainerType {
     GENERIC_CONTAINER = 0,
     AUDIOBOOK_CONTAINER = 1,
 }
@@ -52,7 +52,7 @@ export const enum ContainerType {
  * Provides content filtering mode.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.ContentFilteringMode}
  */
-export const enum ContentFilteringMode {
+export enum ContentFilteringMode {
     FILTER_EXPLICIT = "FILTER_EXPLICIT",
 }
 
@@ -60,7 +60,7 @@ export const enum ContentFilteringMode {
  * Represents media error message reasons.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.ErrorReason}
  */
-export const enum ErrorReason {
+export enum ErrorReason {
     APP_ERROR = "APP_ERROR",
     AUTHENTICATION_EXPIRED = "AUTHENTICATION_EXPIRED",
     CONCURRENT_STREAM_LIMIT = "CONCURRENT_STREAM_LIMIT",
@@ -86,7 +86,7 @@ export const enum ErrorReason {
  * Represents media error message types.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.ErrorType}
  */
-export const enum ErrorType {
+export enum ErrorType {
     ERROR = "ERROR",
     INVALID_PLAYER_STATE = "INVALID_PLAYER_STATE",
     INVALID_REQUEST = "INVALID_REQUEST",
@@ -98,7 +98,7 @@ export const enum ErrorType {
  * Extended player state information.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.ExtendedPlayerState}
  */
-export const enum ExtendedPlayerState {
+export enum ExtendedPlayerState {
     LOADING = "LOADING",
 }
 
@@ -106,7 +106,7 @@ export const enum ExtendedPlayerState {
  * Focus states.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.FocusState}
  */
-export const enum FocusState {
+export enum FocusState {
     IN_FOCUS = "IN_FOCUS",
     NOT_IN_FOCUS = "NOT_IN_FOCUS",
 }
@@ -115,7 +115,7 @@ export const enum FocusState {
  * The Get Status flag options determine the amount of data that must be included in the media status response.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.GetStatusOptions}
  */
-export const enum GetStatusOptions {
+export enum GetStatusOptions {
     NO_METADATA = 1,
     NO_QUEUE_ITEMS = 2,
 }
@@ -124,7 +124,7 @@ export const enum GetStatusOptions {
  * Represents video High Dynamic Range (HDR) types.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.HdrType}
  */
-export const enum HdrType {
+export enum HdrType {
     DV = "dv",
     HDR = "hdr",
     SDR = "sdr",
@@ -134,7 +134,7 @@ export const enum HdrType {
  * Format of an HLS audio segment.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.messages#.HlsSegmentFormat}
  */
-export const enum HlsSegmentFormat {
+export enum HlsSegmentFormat {
     AAC = "aac",
     AC3 = "ac3",
     E_AC3 = "e_ac3",
@@ -149,7 +149,7 @@ export const enum HlsSegmentFormat {
  * Format of an HLS audio segment.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.HlsSegmentFormat}
  */
-export const enum HlsVideoSegmentFormat {
+export enum HlsVideoSegmentFormat {
     FMP4 = "fmp4",
     MPEG2_TS = "mpeg2_ts",
 }
@@ -158,7 +158,7 @@ export const enum HlsVideoSegmentFormat {
  * The reason for the player to be in IDLE state.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.IdleReason}
  */
-export const enum IdleReason {
+export enum IdleReason {
     CANCELLED = "CANCELLED",
     ERROR = "ERROR",
     FINISHED = "FINISHED",
@@ -169,7 +169,7 @@ export const enum IdleReason {
  * The media category.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.MediaCategory}
  */
-export const enum MediaCategory {
+export enum MediaCategory {
     AUDIO = "AUDIO",
     IMAGE = "IMAGE",
     VIDEO = "VIDEO",
@@ -179,7 +179,7 @@ export const enum MediaCategory {
  * Represents media message types.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.MessageType}
  */
-export const enum MessageType {
+export enum MessageType {
     CLOUD_STATUS = "CLOUD_STATUS",
     CUSTOM_COMMAND = "CUSTOM_COMMAND",
     CUSTOM_STATE = "CUSTOM_STATE",
@@ -230,7 +230,7 @@ export const enum MessageType {
  * Possible types of media metadata.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.MetadataType}
  */
-export const enum MetadataType {
+export enum MetadataType {
     GENERIC = 0,
     MOVIE = 1,
     TV_SHOW = 2,
@@ -243,7 +243,7 @@ export const enum MetadataType {
  * String IDs used by {@link framework.PlayerManager#playString}
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.messages#.PlayStringId
  */
-export const enum PlayStringId {
+export enum PlayStringId {
     FREE_TRIAL_ABOUT_TO_EXPIRE = "FREE_TRIAL_ABOUT_TO_EXPIRE",
     PLAYING_ALTERNATE_MIX = "PLAYING_ALTERNATE_MIX",
     STREAM_HIJACKED = "STREAM_HIJACKED",
@@ -254,7 +254,7 @@ export const enum PlayStringId {
  * Represents the player state.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.PlayerState}
  */
-export const enum PlayerState {
+export enum PlayerState {
     BUFFERING = "BUFFERING",
     IDLE = "IDLE",
     PAUSED = "PAUSED",
@@ -265,7 +265,7 @@ export const enum PlayerState {
  * Queue change types used by QUEUE_CHANGE outgoing message.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.QueueChangeType}
  */
-export const enum QueueChangeType {
+export enum QueueChangeType {
     INSERT = "INSERT",
     ITEMS_CHANGE = "ITEMS_CHANGE",
     NO_CHANGE = "NO_CHANGE",
@@ -277,7 +277,7 @@ export const enum QueueChangeType {
  * Types of media container/queue.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.QueueType}
  */
-export const enum QueueType {
+export enum QueueType {
     ALBUM = "ALBUM",
     AUDIOBOOK = "AUDIOBOOK",
     LIVE_TV = "LIVE_TV",
@@ -293,7 +293,7 @@ export const enum QueueType {
  * Behavior of the queue when all items have been played.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.RepeatMode}
  */
-export const enum RepeatMode {
+export enum RepeatMode {
     REPEAT_ALL = "REPEAT_ALL",
     REPEAT_ALL_AND_SHUFFLE = "REPEAT_ALL_AND_SHUFFLE",
     REPEAT_OFF = "REPEAT_OFF",
@@ -304,7 +304,7 @@ export const enum RepeatMode {
  * Represents the playback state after a SEEK request.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.SeekResumeState}
  */
-export const enum SeekResumeState {
+export enum SeekResumeState {
     PLAYBACK_PAUSE = "PLAYBACK_PAUSE",
     PLAYBACK_START = "PLAYBACK_START",
 }
@@ -313,7 +313,7 @@ export const enum SeekResumeState {
  * The streaming protocol types.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.StreamingProtocolType}
  */
-export const enum StreamingProtocolType {
+export enum StreamingProtocolType {
     UNKNOWN = 0,
     MPEG_DASH = 1,
     HLS = 2,
@@ -324,7 +324,7 @@ export const enum StreamingProtocolType {
  * Represents the stream types.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.StreamType}
  */
-export const enum StreamType {
+export enum StreamType {
     BUFFERED = "BUFFERED",
     LIVE = "LIVE",
     NONE = "NONE",
@@ -334,7 +334,7 @@ export const enum StreamType {
  * Possible text track edge type.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.TextTrackEdgeType}
  */
-export const enum TextTrackEdgeType {
+export enum TextTrackEdgeType {
     DEPRESSED = "DEPRESSED",
     DROP_SHADOW = "DROP_SHADOW",
     NONE = "NONE",
@@ -346,7 +346,7 @@ export const enum TextTrackEdgeType {
  * Text track font generic family.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.TextTrackFontGenericFamily}
  */
-export const enum TextTrackFontGenericFamily {
+export enum TextTrackFontGenericFamily {
     CASUAL = "CASUAL",
     CURSIVE = "CURSIVE",
     MONOSPACED_SANS_SERIF = "MONOSPACED_SANS_SERIF",
@@ -360,7 +360,7 @@ export const enum TextTrackFontGenericFamily {
  * Possible text track font style.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.TextTrackFontStyle}
  */
-export const enum TextTrackFontStyle {
+export enum TextTrackFontStyle {
     BOLD = "BOLD",
     BOLD_ITALIC = "BOLD_ITALIC",
     ITALIC = "ITALIC",
@@ -371,7 +371,7 @@ export const enum TextTrackFontStyle {
  * Possible text track type (follows the HTML5 text track type definitions).
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.TextTrackType}
  */
-export const enum TextTrackType {
+export enum TextTrackType {
     CAPTIONS = "CAPTIONS",
     CHAPTERS = "CHAPTERS",
     DESCRIPTIONS = "DESCRIPTIONS",
@@ -383,7 +383,7 @@ export const enum TextTrackType {
  * Text track window type.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.TextTrackWindowType}
  */
-export const enum TextTrackWindowType {
+export enum TextTrackWindowType {
     NONE = "NONE",
     NORMAL = "NORMAL",
     ROUNDED_CORNERS = "ROUNDED_CORNERS",
@@ -393,7 +393,7 @@ export const enum TextTrackWindowType {
  * Possible media track type.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.TrackType}
  */
-export const enum TrackType {
+export enum TrackType {
     AUDIO = "AUDIO",
     TEXT = "TEXT",
     VIDEO = "VIDEO",
@@ -403,7 +403,7 @@ export const enum TrackType {
  * User actions.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.UserAction}
  */
-export const enum UserAction {
+export enum UserAction {
     DISLIKE = "DISLIKE",
     FLAG = "FLAG",
     FOLLOW = "FOLLOW",
@@ -416,7 +416,7 @@ export const enum UserAction {
  * Context information for the user action.
  * [Documentation]{@link https://developers.google.com/cast/docs/reference/caf_receiver/cast.framework.messages#.UserActionContext}
  */
-export const enum UserActionContext {
+export enum UserActionContext {
     ALBUM = "ALBUM",
     ARTIST = "ARTIST",
     CHANNEL = "CHANNEL",
diff --git a/types/chromecast-caf-receiver/cast.framework.system.d.ts b/types/chromecast-caf-receiver/cast.framework.system.d.ts
index a9d45f8fdf032d..26cc0e65ea152e 100644
--- a/types/chromecast-caf-receiver/cast.framework.system.d.ts
+++ b/types/chromecast-caf-receiver/cast.framework.system.d.ts
@@ -4,7 +4,7 @@ export as namespace system;
  * System events dispatched by {@link framework.CastReceiverContext}.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system#.EventType
  */
-export const enum EventType {
+export enum EventType {
     ALLOW_GROUP_CHANGE = "allowgroupchange",
     /**
      * Fired when there is a system error.
@@ -61,7 +61,7 @@ export const enum EventType {
  * Represents the current system state.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system#.SystemState
  */
-export const enum SystemState {
+export enum SystemState {
     /**
      * The application has not been requested to start yet.
      */
@@ -92,7 +92,7 @@ export const enum SystemState {
  * Types of custom messages.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system#.MessageType
  */
-export const enum MessageType {
+export enum MessageType {
     /**
      * Messages are free-form strings. The application is responsible for encoding/decoding the information transmitted.
      */
@@ -108,7 +108,7 @@ export const enum MessageType {
  * if the cast platform was unable to determine the state yet.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system#.StandbyState
  */
-export const enum StandbyState {
+export enum StandbyState {
     NOT_STANDBY = "notstandby",
     STANDBY = "standby",
     UNKNOWN = "unknown",
@@ -118,7 +118,7 @@ export const enum StandbyState {
  * Represents the disconnect reason.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system#.DisconnectReason
  */
-export const enum DisconnectReason {
+export enum DisconnectReason {
     /**
      * There was a protocol error.
      */
@@ -141,7 +141,7 @@ export const enum DisconnectReason {
  * Represent where the receiver was launched from.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system#.LaunchedFrom
  */
-export const enum LaunchedFrom {
+export enum LaunchedFrom {
     /**
      * App was launched by Cast V2 request.
      */
@@ -164,7 +164,7 @@ export const enum LaunchedFrom {
  * Device capabilities.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system#.DeviceCapabilities
  */
-export const enum DeviceCapabilities {
+export enum DeviceCapabilities {
     APP_FOREGROUND = "app_foreground",
     /**
      * Audio Assistant support. For example, Google Home and Google Home Mini.
@@ -218,7 +218,7 @@ export const enum DeviceCapabilities {
  * It may be UNKNOWN if the cast platform was unable to determine the state yet.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.system#.VisibilityState
  */
-export const enum VisibilityState {
+export enum VisibilityState {
     NOT_VISIBLE = "notvisible",
     UNKNOWN = "unknown",
     VISIBLE = "visible",
diff --git a/types/chromecast-caf-receiver/cast.framework.ui.d.ts b/types/chromecast-caf-receiver/cast.framework.ui.d.ts
index 9e8084796e0afd..dbb39af8746e50 100644
--- a/types/chromecast-caf-receiver/cast.framework.ui.d.ts
+++ b/types/chromecast-caf-receiver/cast.framework.ui.d.ts
@@ -20,7 +20,7 @@ export type ContentType = "video" | "audio" | "image";
  * UI state of receiver application.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.ui#.State
  */
-export const enum State {
+export enum State {
     LAUNCHING = "launching",
     IDLE = "idle",
     LOADING = "loading",
@@ -33,7 +33,7 @@ export const enum State {
  * Player data changed event types.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.ui#.PlayerDataEventType
  */
-export const enum PlayerDataEventType {
+export enum PlayerDataEventType {
     ACTIVE_TRACK_IDS_CHANGED = "activeTrackIdsChanged",
     ANY_CHANGE = "*",
     APPLICATION_DATA_CHANGED = "applicationDataChanged",
@@ -517,7 +517,7 @@ export class UiConfig {
  * Aspect ratio of all images in the media browse carousel.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.ui#.BrowseImageAspectRatio
  */
-export const enum BrowseImageAspectRatio {
+export enum BrowseImageAspectRatio {
     /**
      * Square images.
      */
@@ -541,7 +541,7 @@ export const enum BrowseImageAspectRatio {
  * available for the browse item.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.ui#.BrowseImageType
  */
-export const enum BrowseImageType {
+export enum BrowseImageType {
     /**
      * A playlist that consists of songs by a specific
      * music artist or band, or radio seeded by an artist
@@ -627,7 +627,7 @@ export const enum BrowseImageType {
  * Badge that will be displayed on top of the browse item image.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.ui#.BrowseMediaBadge
  */
-export const enum BrowseMediaBadge {
+export enum BrowseMediaBadge {
     /**
      * LIVE indicator badge. Should be used if stream is a live
      * content.
@@ -639,7 +639,7 @@ export const enum BrowseMediaBadge {
  * Predefined buttons for the Media Controls overlay
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.ui#.ControlsButton
  */
-export const enum ControlsButton {
+export enum ControlsButton {
     /**
      * Turn on/off closed captions.
      */
@@ -720,7 +720,7 @@ export const enum ControlsButton {
  * Touch Controls interface.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.ui#.ControlsSlot
  */
-export const enum ControlsSlot {
+export enum ControlsSlot {
     /**
      * Side left slot. Deprecated, use SLOT_SECONDARY_1 instead.
      *
@@ -774,7 +774,7 @@ export const enum ControlsSlot {
  * Device display type.
  * @see https://developers.google.com/cast/docs/reference/web_receiver/cast.framework.ui#.DisplayType
  */
-export const enum DisplayType {
+export enum DisplayType {
     TV = "tv",
     TOUCH = "touch",
 }
diff --git a/types/chromecast-caf-receiver/chromecast-caf-receiver-tests.ts b/types/chromecast-caf-receiver/chromecast-caf-receiver-tests.ts
index 30846656f3a8ad..f0aa1c512cc495 100644
--- a/types/chromecast-caf-receiver/chromecast-caf-receiver-tests.ts
+++ b/types/chromecast-caf-receiver/chromecast-caf-receiver-tests.ts
@@ -1,3 +1,4 @@
+import { ContentProtection, LoggerLevel } from "chromecast-caf-receiver/cast.framework";
 import { BreakManager } from "chromecast-caf-receiver/cast.framework.breaks";
 import { DetailedErrorCode, EventType, MediaFinishedEvent } from "chromecast-caf-receiver/cast.framework.events";
 import {
@@ -9,6 +10,26 @@ import {
     TrackType,
 } from "chromecast-caf-receiver/cast.framework.messages";
 import { ApplicationData, LaunchedFrom } from "chromecast-caf-receiver/cast.framework.system";
+import { ControlsButton, ControlsSlot, State } from "chromecast-caf-receiver/cast.framework.ui";
+
+// Enums must remain non-const to avoid breaking projects that compile
+// with isolatedModules: true (the compiler cannot inline const enum
+// values from external .d.ts files).
+// A regular enum produces a runtime object, so it can be assigned to a
+// variable. A const enum does not, so the assignment below would fail
+// at compile time -- making these lines a regression guard.
+const _messageStreamType = StreamType;
+const _messageMessageType = MessageType;
+const _messageTrackType = TrackType;
+const _messageHlsSegmentFormat = HlsSegmentFormat;
+const _eventsEventType = EventType;
+const _eventsDetailedErrorCode = DetailedErrorCode;
+const _systemLaunchedFrom = LaunchedFrom;
+const _frameworkContentProtection = ContentProtection;
+const _frameworkLoggerLevel = LoggerLevel;
+const _uiState = State;
+const _uiControlsSlot = ControlsSlot;
+const _uiControlsButton = ControlsButton;
 
 // The following test showcases how you can import individual types directly from the namespace:
 

From a7251fc4f5a9f005b3c0b6e19dd931e90b0aa223 Mon Sep 17 00:00:00 2001
From: Sam Ramon <15154970+samantharamon@users.noreply.github.com>
Date: Fri, 3 Apr 2026 09:27:29 -0700
Subject: [PATCH 5/5] [office-js][office-js-preview] (Outlook) Document default
 Smart Alerts message (#74831)

---
 types/office-js-preview/index.d.ts | 6 +++++-
 types/office-js/index.d.ts         | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/types/office-js-preview/index.d.ts b/types/office-js-preview/index.d.ts
index c3cd3c95a407d1..b2d89728502106 100644
--- a/types/office-js-preview/index.d.ts
+++ b/types/office-js-preview/index.d.ts
@@ -25332,7 +25332,11 @@ declare namespace Office {
          *
          * **{@link https://learn.microsoft.com/office/dev/add-ins/outlook/outlook-add-ins-overview#extension-points | Applicable Outlook mode}**: Compose
          *
-         * **Important**: The error message must be 500 characters or less.
+         * **Important**:
+         *
+         * - The error message must be 500 characters or less.
+         *
+         * - If you don't specify a message in the `errorMessage` property, the following default message is shown instead: "\<Add-in name\> is preventing this email from being sent."
          */
         errorMessage?: string;
         /**
diff --git a/types/office-js/index.d.ts b/types/office-js/index.d.ts
index 999a61f0452805..8dbb72ad56135b 100644
--- a/types/office-js/index.d.ts
+++ b/types/office-js/index.d.ts
@@ -24575,7 +24575,11 @@ declare namespace Office {
          *
          * **{@link https://learn.microsoft.com/office/dev/add-ins/outlook/outlook-add-ins-overview#extension-points | Applicable Outlook mode}**: Compose
          *
-         * **Important**: The error message must be 500 characters or less.
+         * **Important**:
+         *
+         * - The error message must be 500 characters or less.
+         *
+         * - If you don't specify a message in the `errorMessage` property, the following default message is shown instead: "\<Add-in name\> is preventing this email from being sent."
          */
         errorMessage?: string;
         /**