Col.findOne

Undocumented in source. Be warned that the author may not have intended to support it.
  1. S findOne(Query query, QueryFlags flags, ReadPrefs readPrefs)
  2. auto findOne(Query query, QueryFlags flags, ReadPrefs readPrefs)
    struct Col
    findOne
    (
    in Query query = Query.init
    ,
    in QueryFlags flags = QueryFlags.NONE
    ,
    in ReadPrefs readPrefs = null
    )

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