Resolve format option selectors against a product's format_options[]
and produce canonical { format_option_refs } for PackageRequest.
Selectors may be plain product-local IDs ('nytimes_mrec') or
structured { format_option_id, publisher_domain } selectors. Returned
refs are always structured per the beta.5 schema.
Resolve format option selectors against a product's
format_options[]and produce canonical{ format_option_refs }forPackageRequest.Selectors may be plain product-local IDs (
'nytimes_mrec') or structured{ format_option_id, publisher_domain }selectors. Returned refs are always structured per the beta.5 schema.