Delete this collection.
This method may block indefinitely and should not be used in user interface threads. The secret service may prompt the user. secret.service.Service.prompt will be used to handle any prompts that show up.
optional cancellation object
whether the collection was successfully deleted or not
Delete this collection.
This method may block indefinitely and should not be used in user interface threads. The secret service may prompt the user. secret.service.Service.prompt will be used to handle any prompts that show up.