getCollection() public static method Return the Mongo

group() public method

executeBatch() public method Execute commands batch (bulk)

ensureBaseMigrationHistory() protected method Ensures

populate() public method Converts the raw query results

delete() public method Deletes the file with given _id

getName() public method

$database public read-only property Database instance

getReadConcern() public method Retuns read concern for

distinct() public method Returns a list of distinct values