{
  safe: (val) => (val != null ? '' + val : ''),
  format_execution: (e) => (e.label != null ? e.label : 'Pipeline') + ' [' + (e.state != null ? e.state : '?') + ']',
  format_asset: (a) => (a.name != null ? a.name : 'unknown') + ' (' + (a.class_id != null ? a.class_id : '?') + ')',
  format_snaplex: (s) => (s.label != null ? s.label : 'Snaplex') + ' - ' + (s.cc_state != null ? s.cc_state : 'unknown'),
  format_task: (t) => (t.label != null ? t.label : 'Task') + ' [' + (t.state != null ? t.state : '?') + ']',
  format_user: (u) => (u.email != null ? u.email : 'unknown') + ' (' + (u.first_name != null ? u.first_name + ' ' + u.last_name : '') + ')',
  format_file: (f) => (f.name != null ? f.name : 'file') + ' (' + (f.size != null ? f.size + ' bytes' : 'unknown size') + ')'
}
