_rev: 5-mno
_revisions:
    start: 5
    ids:
        - mno
        - jkl
        - ghi
        - def
        - abc
_attachments:
    foo.txt:
        content_type: text/plain
        revpos: 5
    bar.txt:
        content_type: text/plain
        revpos: 3
    qux.txt:
        content_type: text/plain
        revpos: 4