Initial analysis and plan for public methods well-defined types ESLint rule

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

Author: Copilot

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

@@ -205,24 +205,6 @@ declare module 'vscode' {
 		presentation?: 'hidden' | undefined;
 	}
 
-	export interface LanguageModelTool<T> {
-		prepareInvocation2?(options: LanguageModelToolInvocationPrepareOptions<T>, token: CancellationToken): ProviderResult<PreparedTerminalToolInvocation>;
-	}
-
-	export class PreparedTerminalToolInvocation {
-		readonly command: string;
-		readonly language: string;
-		readonly confirmationMessages?: LanguageModelToolConfirmationMessages;
-		readonly presentation?: 'hidden' | undefined;
-
-		constructor(
-			command: string,
-			language: string,
-			confirmationMessages?: LanguageModelToolConfirmationMessages,
-			presentation?: 'hidden'
-		);
-	}
-
 	export class ExtendedLanguageModelToolResult extends LanguageModelToolResult {
 		toolResultMessage?: string | MarkdownString;
 		toolResultDetails?: Array<Uri | Location>;