Use a const type parameter for Object.freeze.

Author: DanielRosenwasser

src/lib/es5.d.ts

@@ -207,13 +207,13 @@ interface ObjectConstructor {
      * Prevents the modification of existing property attributes and values, and prevents the addition of new properties.
      * @param o Object on which to lock the attributes.
      */
-    freeze<T extends {[idx: string]: U | null | undefined | object}, U extends string | bigint | number | boolean | symbol>(o: T): Readonly<T>;
+    freeze<const T extends {[idx: string]: U | null | undefined | object}, U extends string | bigint | number | boolean | symbol>(o: T): Readonly<T>;
 
     /**
      * Prevents the modification of existing property attributes and values, and prevents the addition of new properties.
      * @param o Object on which to lock the attributes.
      */
-    freeze<T>(o: T): Readonly<T>;
+    freeze<const T>(o: T): Readonly<T>;
 
     /**
      * Prevents the addition of new properties to an object.