code: public static Builder forClass(Class clazz) {
          if (clazz == null) {
              throw new IllegalArgumentException("class can not be null");
          }
          return new Builder(Collections.singletonList(clazz));
      }
docs: Creates instance of {@link Builder}.
  
  @param clazz class that needs to be checked.
  @return {@link Builder} which will prepare
  check of the passed class.