https://mongodb.github.io/mongo-csharp-driver/2.15/apidocs/html/M_MongoDB_Driver_IMongoClient_ListDatabaseNamesAsync_2.htm
IMongoClient.ListDatabaseNamesAsync Method (ListDatabaseNamesOptions, CancellationToken)
Returns the names of the databases on the server.
methodcancellationtoken
https://mongodb.github.io/mongo-csharp-driver/2.21/apidocs/html/M_MongoDB_Driver_MongoClientBase_ListDatabaseNamesAsync_2.htm
MongoClientBase.ListDatabaseNamesAsync Method (ListDatabaseNamesOptions, CancellationToken)
Returns the names of the databases on the server.
methodcancellationtoken