Options that configure how data is retrieved from a DocumentSnapshot
(e.g. the desired behavior for server timestamps that have not yet been set
to their final value).
Filter conditions in a Query.where() clause are specified using the
strings '<', '<=', '==', '!=', '>=', '>', 'array-contains', 'in',
'array-contains-any', and 'not-in'.
Options that configure how data is retrieved from a
DocumentSnapshot(e.g. the desired behavior for server timestamps that have not yet been set to their final value).