@JsonIgnore
  public String getFormattedFileList() {
    return files.stream().map(FileResultModel::getFilename)
        .collect(Collectors.joining(", "));
  }
Get a comma separated list of all files associated with this result.

@return Comma separated list of files.
geode-gfsh/src/main/java/org/apache/geode/management/internal/cli/result/model/ResultModel.java