cql2 0.5.5

Parse, validate, and convert Common Query Language (CQL2) text and JSON
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{"op":"t_finishes","args":[{"interval":[{"property":"starts_at"},{"property":"ends_at"}]},{"interval":["1991-10-07","2010-02-10T05:29:20.073225Z"]}]}
t_finishes(INTERVAL(starts_at,ends_at), INTERVAL('1991-10-07','2010-02-10T05:29:20.073225Z'))
{"op":"t_finishes","args":[{"interval":[{"property":"starts_at"},{"property":"ends_at"}]},{"interval":["1991-10-07","2010-02-10T05:29:20.073225Z"]}]}