private static boolean isValidAnnotationDesc0(@Nullable String descriptor) {
		if (descriptor == null || descriptor.isBlank())
			return false; // Must not be empty
		char c = descriptor.charAt(0);
		if (c == 'V' || c == '(')
			return false; // Must not be void or method type
		return Types.isValidDesc(descriptor);
	}
@return {@code true} when illegal annotations have been removed from the visited class.
recaf-core/src/main/java/software/coley/recaf/util/visitors/IllegalAnnotationRemovingVisitor.java