{
  safe: (val) => (val != null ? '' + val : ''),
  build_date_range: (sy, sm, sd, ey, em, ed) => '(start:(year:' + sy + ',month:' + sm + ',day:' + sd + ')' + (ey != null && ey != '' ? ',end:(year:' + ey + ',month:' + em + ',day:' + ed + ')' : '') + ')',
  encode_urn: (type, id) => 'urn%3Ali%3A' + type + '%3A' + id,
  format_campaign: (c) => (c.name != null ? c.name : 'Campaign') + ' [' + (c.status != null ? c.status : '?') + ']',
  format_account: (a) => (a.name != null ? a.name : 'Account') + ' (' + (a.id != null ? a.id : '?') + ')'
}
