Initial investigation of reviewer icon misalignment issue

Co-authored-by: alexr00 <38270282+alexr00@users.noreply.github.com>

Author: Copilot

src/@types/vscode.proposed.chatParticipantPrivate.d.ts

@@ -3,7 +3,7 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-// version: 10
+// version: 11
 
 declare module 'vscode' {
 
@@ -285,4 +285,24 @@ declare module 'vscode' {
 	}
 
 	// #endregion
+
+	// #region LanguageModelProxyProvider
+
+	/**
+	 * Duplicated so that this proposal and languageModelProxy can be independent.
+	 */
+	export interface LanguageModelProxyInfo {
+		readonly uri: Uri;
+		readonly key: string;
+	}
+
+	export interface LanguageModelProxyProvider {
+		provideModelProxy(forExtensionId: string, token: CancellationToken): ProviderResult<LanguageModelProxyInfo>;
+	}
+
+	export namespace lm {
+		export function registerLanguageModelProxyProvider(provider: LanguageModelProxyProvider): Disposable;
+	}
+
+	// #endregion
 }