code: @SuppressWarnings("static-method")
  	protected boolean canBeNotStaticAnonymousClass(XClosure closure, LightweightTypeReference typeRef,
  			JvmOperation operation) {
  		return !typeRef.isSubtypeOf(Serializable.class);
  	}
docs: Replies if the given closure could be represented by an not static anonymous class.
  
  @param closure the closure.
  @param typeRef the type of the closure.
  @param operation the operation to implement.
  @return {@code true} if the given closure could be represented by a not-static anonymous class.
  @since 0.8.6