bam:
  class: File
  location: keep:79407f4f0d46a44fcc9c377461ee85fc+53752/marked_dupsERR1726424.sorted.bam

reference:
  class: File
  location: keep:a3af04432df3d71d22f2fe8be549ba96+5974/hg38.fa

sample: ERR1726424

knownsites1:
  class: File
  location: keep:7c0b13bda857fa15d88c1039182f69d5+8052/Homo_sapiens_assembly38.known_indels.vcf.gz