prereqs:
  develop:
    requires:
      P1:
      P2: { version: '2' }
  runtime:
    recommends:
      P3:
    requires:
      P4: { version: '4' }
      P5: { version: '5', opt1: a, opt2: b }

features:
  hoge:
    description: This is a description
    prereqs:
      runtime:
        requires:
          P2: { version: '22' }
  bar:
    description: ディスクリプション
    prereqs:
      test:
        suggests:
          P4: { opt3: c }