diff --git a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=node16).errors.txt b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=node16).errors.txt
index a8a76a05152..f8e0dd250c6 100644
--- a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=node16).errors.txt
+++ b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=node16).errors.txt
@@ -1,26 +1,44 @@
+/index.ts(1,45): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
+/index.ts(2,44): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 /index.ts(6,50): error TS2821: Import assertions are only supported when the '--module' option is set to 'esnext' or 'nodenext'.
+/index.ts(6,50): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 /index.ts(7,14): error TS2305: Module '"pkg"' has no exported member 'ImportInterface'.
 /index.ts(7,49): error TS2821: Import assertions are only supported when the '--module' option is set to 'esnext' or 'nodenext'.
+/index.ts(7,49): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
+/index.ts(10,45): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
+/index.ts(11,44): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 
 
-==== /index.ts (3 errors) ====
+==== /index.ts (9 errors) ====
     import type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
+                                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     import type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
+                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     
     export interface LocalInterface extends RequireInterface, ImportInterface {}
     
     import {type RequireInterface as Req} from "pkg" assert { "resolution-mode": "require" };
                                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 !!! error TS2821: Import assertions are only supported when the '--module' option is set to 'esnext' or 'nodenext'.
+                                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     import {type ImportInterface as Imp} from "pkg" assert { "resolution-mode": "import" };
                  ~~~~~~~~~~~~~~~
 !!! error TS2305: Module '"pkg"' has no exported member 'ImportInterface'.
                                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 !!! error TS2821: Import assertions are only supported when the '--module' option is set to 'esnext' or 'nodenext'.
+                                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     export interface Loc extends Req, Imp {}
     
     export type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
+                                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     export type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
+                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     
 ==== /node_modules/pkg/package.json (0 errors) ====
     {
diff --git a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=node16).js b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=node16).js
index 1b8bc65976e..e24fd94dba7 100644
--- a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=node16).js
+++ b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=node16).js
@@ -30,16 +30,3 @@ export type { ImportInterface } from "pkg" assert { "resolution-mode": "import"
 //// [index.js]
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-
-
-//// [index.d.ts]
-import type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
-import type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
-export interface LocalInterface extends RequireInterface, ImportInterface {
-}
-import { type RequireInterface as Req } from "pkg" assert { "resolution-mode": "require" };
-import { type ImportInterface as Imp } from "pkg" assert { "resolution-mode": "import" };
-export interface Loc extends Req, Imp {
-}
-export type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
-export type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
diff --git a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=nodenext).errors.txt b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=nodenext).errors.txt
index 5aaee4a285e..7efa411b51e 100644
--- a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=nodenext).errors.txt
+++ b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=nodenext).errors.txt
@@ -1,26 +1,44 @@
+/index.ts(1,45): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
+/index.ts(2,44): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 /index.ts(6,50): error TS2836: Import assertions are not allowed on statements that transpile to commonjs 'require' calls.
+/index.ts(6,50): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 /index.ts(7,14): error TS2305: Module '"pkg"' has no exported member 'ImportInterface'.
 /index.ts(7,49): error TS2836: Import assertions are not allowed on statements that transpile to commonjs 'require' calls.
+/index.ts(7,49): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
+/index.ts(10,45): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
+/index.ts(11,44): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 
 
-==== /index.ts (3 errors) ====
+==== /index.ts (9 errors) ====
     import type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
+                                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     import type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
+                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     
     export interface LocalInterface extends RequireInterface, ImportInterface {}
     
     import {type RequireInterface as Req} from "pkg" assert { "resolution-mode": "require" };
                                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 !!! error TS2836: Import assertions are not allowed on statements that transpile to commonjs 'require' calls.
+                                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     import {type ImportInterface as Imp} from "pkg" assert { "resolution-mode": "import" };
                  ~~~~~~~~~~~~~~~
 !!! error TS2305: Module '"pkg"' has no exported member 'ImportInterface'.
                                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 !!! error TS2836: Import assertions are not allowed on statements that transpile to commonjs 'require' calls.
+                                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     export interface Loc extends Req, Imp {}
     
     export type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
+                                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     export type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
+                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     
 ==== /node_modules/pkg/package.json (0 errors) ====
     {
diff --git a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=nodenext).js b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=nodenext).js
index 1b8bc65976e..e24fd94dba7 100644
--- a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=nodenext).js
+++ b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit1(module=nodenext).js
@@ -30,16 +30,3 @@ export type { ImportInterface } from "pkg" assert { "resolution-mode": "import"
 //// [index.js]
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-
-
-//// [index.d.ts]
-import type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
-import type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
-export interface LocalInterface extends RequireInterface, ImportInterface {
-}
-import { type RequireInterface as Req } from "pkg" assert { "resolution-mode": "require" };
-import { type ImportInterface as Imp } from "pkg" assert { "resolution-mode": "import" };
-export interface Loc extends Req, Imp {
-}
-export type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
-export type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
diff --git a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=node16).errors.txt b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=node16).errors.txt
index 0403a6e026f..60b828aa1b0 100644
--- a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=node16).errors.txt
+++ b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=node16).errors.txt
@@ -1,11 +1,21 @@
+/index.ts(1,45): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
+/index.ts(2,44): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 /index.ts(6,14): error TS2305: Module '"pkg"' has no exported member 'RequireInterface'.
 /index.ts(6,50): error TS2821: Import assertions are only supported when the '--module' option is set to 'esnext' or 'nodenext'.
+/index.ts(6,50): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 /index.ts(7,49): error TS2821: Import assertions are only supported when the '--module' option is set to 'esnext' or 'nodenext'.
+/index.ts(7,49): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
+/index.ts(10,45): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
+/index.ts(11,44): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 
 
-==== /index.ts (3 errors) ====
+==== /index.ts (9 errors) ====
     import type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
+                                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     import type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
+                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     
     export interface LocalInterface extends RequireInterface, ImportInterface {}
     
@@ -14,13 +24,21 @@
 !!! error TS2305: Module '"pkg"' has no exported member 'RequireInterface'.
                                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 !!! error TS2821: Import assertions are only supported when the '--module' option is set to 'esnext' or 'nodenext'.
+                                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     import {type ImportInterface as Imp} from "pkg" assert { "resolution-mode": "import" };
                                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 !!! error TS2821: Import assertions are only supported when the '--module' option is set to 'esnext' or 'nodenext'.
+                                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     export interface Loc extends Req, Imp {}
     
     export type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
+                                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     export type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
+                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     
 ==== /node_modules/pkg/package.json (0 errors) ====
     {
diff --git a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=node16).js b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=node16).js
index fad19d466a6..817fbde7e07 100644
--- a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=node16).js
+++ b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=node16).js
@@ -34,16 +34,3 @@ export type { ImportInterface } from "pkg" assert { "resolution-mode": "import"
 
 //// [index.js]
 export {};
-
-
-//// [index.d.ts]
-import type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
-import type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
-export interface LocalInterface extends RequireInterface, ImportInterface {
-}
-import { type RequireInterface as Req } from "pkg" assert { "resolution-mode": "require" };
-import { type ImportInterface as Imp } from "pkg" assert { "resolution-mode": "import" };
-export interface Loc extends Req, Imp {
-}
-export type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
-export type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
diff --git a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=nodenext).errors.txt b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=nodenext).errors.txt
index 47c2ad040c0..2667d161768 100644
--- a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=nodenext).errors.txt
+++ b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=nodenext).errors.txt
@@ -1,11 +1,21 @@
+/index.ts(1,45): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
+/index.ts(2,44): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 /index.ts(6,14): error TS2305: Module '"pkg"' has no exported member 'RequireInterface'.
 /index.ts(6,50): error TS1454: `resolution-mode` can only be set for type-only imports.
+/index.ts(6,50): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 /index.ts(7,49): error TS1454: `resolution-mode` can only be set for type-only imports.
+/index.ts(7,49): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
+/index.ts(10,45): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
+/index.ts(11,44): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 
 
-==== /index.ts (3 errors) ====
+==== /index.ts (9 errors) ====
     import type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
+                                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     import type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
+                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     
     export interface LocalInterface extends RequireInterface, ImportInterface {}
     
@@ -14,13 +24,21 @@
 !!! error TS2305: Module '"pkg"' has no exported member 'RequireInterface'.
                                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 !!! error TS1454: `resolution-mode` can only be set for type-only imports.
+                                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     import {type ImportInterface as Imp} from "pkg" assert { "resolution-mode": "import" };
                                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 !!! error TS1454: `resolution-mode` can only be set for type-only imports.
+                                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     export interface Loc extends Req, Imp {}
     
     export type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
+                                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     export type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
+                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     
 ==== /node_modules/pkg/package.json (0 errors) ====
     {
diff --git a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=nodenext).js b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=nodenext).js
index fad19d466a6..817fbde7e07 100644
--- a/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=nodenext).js
+++ b/tests/baselines/reference/nodeModulesImportModeDeclarationEmit2(module=nodenext).js
@@ -34,16 +34,3 @@ export type { ImportInterface } from "pkg" assert { "resolution-mode": "import"
 
 //// [index.js]
 export {};
-
-
-//// [index.d.ts]
-import type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
-import type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
-export interface LocalInterface extends RequireInterface, ImportInterface {
-}
-import { type RequireInterface as Req } from "pkg" assert { "resolution-mode": "require" };
-import { type ImportInterface as Imp } from "pkg" assert { "resolution-mode": "import" };
-export interface Loc extends Req, Imp {
-}
-export type { RequireInterface } from "pkg" assert { "resolution-mode": "require" };
-export type { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
diff --git a/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=node16).errors.txt b/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=node16).errors.txt
index bc3eb30565c..fa726c1dc13 100644
--- a/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=node16).errors.txt
+++ b/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=node16).errors.txt
@@ -2,10 +2,11 @@
 /index.ts(2,73): error TS1453: `resolution-mode` should be either `require` or `import`.
 /index.ts(4,10): error TS2305: Module '"pkg"' has no exported member 'ImportInterface'.
 /index.ts(4,39): error TS2821: Import assertions are only supported when the '--module' option is set to 'esnext' or 'nodenext'.
+/index.ts(4,39): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 /index.ts(6,76): error TS2821: Import assertions are only supported when the '--module' option is set to 'esnext' or 'nodenext'.
 
 
-==== /index.ts (5 errors) ====
+==== /index.ts (6 errors) ====
     // incorrect mode
     import type { RequireInterface } from "pkg" assert { "resolution-mode": "foobar" };
                                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -18,6 +19,8 @@
 !!! error TS2305: Module '"pkg"' has no exported member 'ImportInterface'.
                                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 !!! error TS2821: Import assertions are only supported when the '--module' option is set to 'esnext' or 'nodenext'.
+                                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     // not exclusively type-only
     import {type RequireInterface as Req, RequireInterface as Req2} from "pkg" assert { "resolution-mode": "require" };
                                                                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=node16).js b/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=node16).js
index 3b2af2656d0..7daaa0cda7e 100644
--- a/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=node16).js
+++ b/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=node16).js
@@ -30,10 +30,3 @@ export interface LocalInterface extends RequireInterface, ImportInterface {}
 //// [index.js]
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-
-
-//// [index.d.ts]
-import type { RequireInterface } from "pkg";
-import { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
-export interface LocalInterface extends RequireInterface, ImportInterface {
-}
diff --git a/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=nodenext).errors.txt b/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=nodenext).errors.txt
index 49a86cf5980..0fd8ca6399e 100644
--- a/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=nodenext).errors.txt
+++ b/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=nodenext).errors.txt
@@ -2,10 +2,11 @@
 /index.ts(2,73): error TS1453: `resolution-mode` should be either `require` or `import`.
 /index.ts(4,10): error TS2305: Module '"pkg"' has no exported member 'ImportInterface'.
 /index.ts(4,39): error TS2836: Import assertions are not allowed on statements that transpile to commonjs 'require' calls.
+/index.ts(4,39): error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
 /index.ts(6,76): error TS2836: Import assertions are not allowed on statements that transpile to commonjs 'require' calls.
 
 
-==== /index.ts (5 errors) ====
+==== /index.ts (6 errors) ====
     // incorrect mode
     import type { RequireInterface } from "pkg" assert { "resolution-mode": "foobar" };
                                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -18,6 +19,8 @@
 !!! error TS2305: Module '"pkg"' has no exported member 'ImportInterface'.
                                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 !!! error TS2836: Import assertions are not allowed on statements that transpile to commonjs 'require' calls.
+                                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS4125: Resolution mode assertions are unstable. Use nightly TypeScript to silence this error. Try updating with 'npm install -D typescript@next'.
     // not exclusively type-only
     import {type RequireInterface as Req, RequireInterface as Req2} from "pkg" assert { "resolution-mode": "require" };
                                                                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=nodenext).js b/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=nodenext).js
index 3b2af2656d0..7daaa0cda7e 100644
--- a/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=nodenext).js
+++ b/tests/baselines/reference/nodeModulesImportModeDeclarationEmitErrors1(module=nodenext).js
@@ -30,10 +30,3 @@ export interface LocalInterface extends RequireInterface, ImportInterface {}
 //// [index.js]
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-
-
-//// [index.d.ts]
-import type { RequireInterface } from "pkg";
-import { ImportInterface } from "pkg" assert { "resolution-mode": "import" };
-export interface LocalInterface extends RequireInterface, ImportInterface {
-}