Returns all matching documents.
Counts all matching documents.
Calling this method after skip or limit might not count everything.
Performs an explain query.
Optionalverbosity: ExplainVerbosityLikeReturns the first matching document or null.
Returns the first matching document or throws.
Limit the result to number entries.
Cancels any previous limit call.
Skip number entries.
Cancels any previous skip call.
Add a new criterion to the sort.
Optionaldirection: SortDirection
Returns an iterator on all matching documents.