debt - reduce some explicit any use (#251182)

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src/vs/workbench/api/common/extHostLanguageModelTools.ts

@@ -220,7 +220,7 @@ export class ExtHostLanguageModelTools implements ExtHostLanguageModelToolsShape
 		return model;
 	}
 
-	async $prepareToolInvocation(toolId: string, input: any, token: CancellationToken): Promise<IPreparedToolInvocation | undefined> {
+	async $prepareToolInvocation(toolId: string, input: unknown, token: CancellationToken): Promise<IPreparedToolInvocation | undefined> {
 		const item = this._registeredTools.get(toolId);
 		if (!item) {
 			throw new Error(`Unknown tool ${toolId}`);