Best practice for multiple read concerns? Transactions and multiple changestreams with golang

Working with Data Drivers
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Are you creating the change streams through Client.Watch, Database.Watch, or Collection.Watch? If it’s Database or Collection, you can make a database or collection object configured with secondary read preference:

secondary := readpref.Secondary()
dbOpts := options.Database().SetReadPreference(secondary)
db := client.Database("dbname", dbOpts)