The member is never shown in the fallback list. Use for purely structural fields like discriminators.
The member is always shown in the fallback list. This is the default.
The member is shown only when its value was not already surfaced elsewhere through the provide/inject graph. When the value was pulled via injection, the member is hidden as redundant; when nothing surfaced it, the member appears under its label as a backup.
Whether a member should be hidden from the fallback display list. The interpolated sentence on
instructionDisplayNodeis governed separately — a member may be referenced there regardless of its skip value.