# Error: key doesn't exist
$ pda meta nonexistent@me --> FAIL
FAIL cannot meta 'nonexistent@me': no such key

# Error: --encrypt and --decrypt are mutually exclusive
$ pda set hello@me world
$ pda meta hello@me --encrypt --decrypt --> FAIL
FAIL cannot meta 'hello@me': --encrypt and --decrypt are mutually exclusive

# Error: already encrypted
$ pda set --encrypt secret@me val
$ pda meta secret@me --encrypt --> FAIL
FAIL cannot meta 'secret@me': already encrypted

# Error: not encrypted (can't decrypt)
$ pda meta hello@me --decrypt --> FAIL
FAIL cannot meta 'hello@me': not encrypted

# Error: invalid TTL
$ pda meta hello@me --ttl "abc" --> FAIL
FAIL cannot meta 'hello@me': invalid ttl '"abc"': expected a duration (e.g. 30m, 2h) or 'never'