@ApiModelProperty(hidden = true)
  public Collection<File> getServiceKerberosDescriptorFiles() {
    return serviceKerberosDescriptorFiles;
  }
Gets the Collection of Files pointing to the stack-specific service-level Kerberos descriptor
files

@return a Collection of Files pointing to the stack-specific service-level Kerberos descriptor
files, or null if no relevant files are available
ambari-server/src/main/java/org/apache/ambari/server/controller/StackVersionResponse.java