sub
creates a SubStore using a RootStore as parent using a given IdProvider.
Parameters
element
current instance of the entity to focus on
id
to identify the same entity (i.e. when it's content changed)
creates a SubStore using a RootStore as parent using the index in the list (do not use this, if you want to manipulate the list itself (add or move elements, filter, etc.).
Parameters
index
position in the list to point to
creates a SubStore using another SubStore as parent using a given IdProvider.
Parameters
element
current instance of the entity to focus on
idProvider
to identify the same entity (i.e. when it's content changed)