The names of the snapshot rebuild aggregate, its system command and event.
The name of the built-in aggregate that takes a context's rebuild requests: <context>.snapshot, one instance per aggregate type in each tenant, whose id is the aggregate type's name.
<context>.snapshot
The system commands, by their names.
The component a rebuild runs as: system:snapshot.
system:snapshot
The system events, by their names.
The most ids one rebuild request names.
The system name of type, the rebuild command or event, or null when it is neither.
The rebuild aggregate of context.