The secret service may not be able to lock items individually, and may
lock an entire collection instead.
If service is null, then secret.service.Service.get will be called to get
the default classService proxy.
This method returns immediately and completes asynchronously. The secret
service may prompt the user. secret.service.Service.prompt will be used to handle
any prompts that show up.
Lock items or collections in the secret service.
The secret service may not be able to lock items individually, and may lock an entire collection instead.
If service is null, then secret.service.Service.get will be called to get the default classService proxy.
This method returns immediately and completes asynchronously. The secret service may prompt the user. secret.service.Service.prompt will be used to handle any prompts that show up.