@tikoci/centrs
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    Variable SCOPE_ARG_NAMESConst

    SCOPE_ARG_NAMES: ReadonlySet<string> = ...

    Source-visible argument names whose {…} is a scope. Closed set, harvested from every projected corpus capture (do 5623, else 720, command 177, on-error 132).

    command is here because users DO write it explicitly: :retry delay=1s max=3 on-error={…} command={…} (topic-169237/post-0021-snippet-01 @ 7.22.1).

    in is deliberately NOT here even though IL lowers :onerror V { … } under that name — in SOURCE, in={…} is always an array literal (:foreach Type in={ "p12"; "pem" }in=p12;pem, eworm/check-certificates.rsc @ 7.22.1). The IL name and the source name collide; only the source spelling governs offline.