Recursively walk value, returning a structurally-identical clone with
scalar values at secret-shaped keys replaced by "[redacted]". Pass an
optional pattern to override the canonical pattern (typically by
extending it — adopters MAY add internal vendor headers but MUST NOT
narrow the contract floor).
Recursively walk
value, returning a structurally-identical clone with scalar values at secret-shaped keys replaced by"[redacted]". Pass an optionalpatternto override the canonical pattern (typically by extending it — adopters MAY add internal vendor headers but MUST NOT narrow the contract floor).Non-mutating — the input is never touched.