backupoptionty

type backupoptionty = (

  bao_ignorechecksums,

  bao_ignorelimbo,

  bao_metadataonly,

  bao_no_garbagecollect,

  bao_olddescriptions,

  bao_nontransportable,

  bao_convert,

  bao_expand,

  bao_notriggers

);