@Override
      public @Nullable ListSeparator getSeparatorAbove(RunConfiguration value) {
        int i = configurations.indexOf(value);
        if (i < 1) return null;
        RunConfiguration previous = configurations.get(i - 1);
        return value.getType() != previous.getType() ? new ListSeparator() : null;
      }
@Override
      public @Nullable ListSeparator getSeparatorAbove(RunConfiguration value)