Interface UnionWith

$unionWith: string | { coll: string; pipeline?: (AddFields | Bucket | BucketAuto | <internal>.PipelineStage.CollStats | <internal>.PipelineStage.Count | Densify | Facet | Fill | GeoNear | GraphLookup | Group | IndexStats | Limit | ListSessions | Lookup | Match | PlanCacheStats | Project | Redact | ReplaceRoot | ReplaceWith | Sample | Search | Set | SetWindowFields | Skip | <internal>.PipelineStage.Sort | SortByCount | UnionWith | Unset | Unwind)[] }