CollectorRichContent - The normalized rich-content payload exposed on a
ReadOnlyCollector. content holds the raw template (with {{key}} tokens), and
replacements is the array of substitution entries (the API's keyed Record flattened
into an array, with the original key carried on each entry).
CollectorRichContent - The normalized rich-content payload exposed on a
ReadOnlyCollector.contentholds the raw template (with{{key}}tokens), andreplacementsis the array of substitution entries (the API's keyed Record flattened into an array, with the original key carried on each entry).