code: public MultiFormatter remove(Formatter<?>... formatters) {
          if (formatter != null) {
              MultiFormatter copy = new MultiFormatter();
              copy.formatters.putAll(this.formatters);
              if (formatters != null && formatters.length > 0) {
                  for (Formatter<?> formatter : formatters) {
                      if (formatter != null) {
                          Class<?> type = ClassUtils.getGenericClass(formatter.getClass());
                          if (type != null) {
                              this.formatters.remove(type);
                          }
                      }
                  }
              }
              return copy;
          }
          return this;
      }
docs: Remove and copy the MultiFormatter.
  
  @param formatters