@Documented
@Retention(value=RUNTIME)
@Target(value=METHOD)
public static @interface CssResource.NotStrict

The presence of this annotation on a CssResource accessor method indicates that any class selectors that do not correspond with a String accessor method in the return type or an @external declaration should not trigger a compilation error. This annotation is not recommended for new code.

 interface Resources extends ClientBundle {
  @NotStrict
  @Source("legacy.css")
   CssResource css();
 }