BetaBetacollection: string | QueryName or reference to the collection that will be used as the Pipeline source.
Optional BetaforceIndex?: stringSpecifies the name of an index to be used for a query, overriding the query optimizer's default choice. This can be useful for performance tuning in specific scenarios where the default index selection does not yield optimal performance. This property is optional. When provided, it should be the exact name of the index to force.
Options for Collection stage.