This member is added by an implicit conversion from (AggregationFramework.this)#GroupMulti to
any2stringadd[(AggregationFramework.this)#GroupMulti] performed by method any2stringadd in scala.Predef.
This member is added by an implicit conversion from (AggregationFramework.this)#GroupMulti to
ArrowAssoc[(AggregationFramework.this)#GroupMulti] performed by method ArrowAssoc in scala.Predef.
This member is added by an implicit conversion from (AggregationFramework.this)#GroupMulti to
Ensuring[(AggregationFramework.this)#GroupMulti] performed by method Ensuring in scala.Predef.
This member is added by an implicit conversion from (AggregationFramework.this)#GroupMulti to
Ensuring[(AggregationFramework.this)#GroupMulti] performed by method Ensuring in scala.Predef.
This member is added by an implicit conversion from (AggregationFramework.this)#GroupMulti to
Ensuring[(AggregationFramework.this)#GroupMulti] performed by method Ensuring in scala.Predef.
This member is added by an implicit conversion from (AggregationFramework.this)#GroupMulti to
Ensuring[(AggregationFramework.this)#GroupMulti] performed by method Ensuring in scala.Predef.
This member is added by an implicit conversion from (AggregationFramework.this)#GroupMulti to
StringFormat[(AggregationFramework.this)#GroupMulti] performed by method StringFormat in scala.Predef.
This member is added by an implicit conversion from (AggregationFramework.this)#GroupMulti to
ArrowAssoc[(AggregationFramework.this)#GroupMulti] performed by method ArrowAssoc in scala.Predef.
$groups documents together to calculate aggregates on document collections. This command aggregates on multiple fields, and they must be named.