Optional ReadonlyactiveOptional ReadonlybatchOptional ReadonlychangeOptional ReadonlyconflictReadonlydirtyReadonlydraftOptional ReadonlyexternalReadonlyissuesReadonlymodeReadonlyphaseReadonlyrevisionReadonlysessionOptional ReadonlyuncertaintiesReadonlyvalidation
Observable session state. Applications must treat entity and field values as immutable.