OptionalExcludeOptionalFieldsOptionalIncludeFormula over the child row (fields.X); only rows evaluating true are cloned.
OptionalLockedUI may not change it.
OptionalMaxOptionalPolicyOptionalPreserveWrite the source's positional values after the last Add instead of letting the collection renumber. Default false.
Rows left out even when the edge is Deep, e.g. per-device or per-person settings. A row matching any entry is not cloned, nor are its descendants.