DeleteOptions.let

Map of parameter names and values. Values must be constant or closed expressions that do not reference document fields. Parameters can then be accessed as variables in an aggregate expression context (e.g. "$$var").

This option is only supported by servers >= 5.0. Older servers >= 2.6 (and possibly earlier) will report an error for using this option.

struct DeleteOptions
Nullable!Bson let;

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