Creates a new empty property store.
Creates a new empty property store.
The SourceElementsPropertyStoreKey has no special prerequisites.
The SourceElementsPropertyStoreKey has no special prerequisites.
Nil
.
The unique id of this key.
The unique id of this key. The key is used to enable efficient access and is automatically assigned by OPAL and will not change after that.
The key object to get access to the properties store.