OptionalbarOptionalinstanceStable workspace identity. Dependency templates remap it when copied.
OptionalplotExplicit plot assignments, including plots drawn on the price pane.
OptionalpolicyThe restrictions its host set, written only when a flag is false, so an unrestricted study saves exactly what it always did. Omission restores it unrestricted.
OptionalpriceWhole-study scale override. Omission retains the descriptor's plot assignments.
OptionalstudySettings keys carrying declared study references, for portable template remapping.
OptionalvisibleOmitted by older layouts, which restore the indicator as visible.
'underlying'for a study computing on the bars under a transformed chart, written only then, so a study on the chart's bars saves what it always did. Omission restores it on the chart's bars.