Retrieves the linked context from the response's Link header if available. If multiple valid metadata files are linked, the last one is used.
Link
The Response object from which to extract the linked context.
Response
A promise that resolves to the URL of the linked context or undefined if none is found.
undefined
Retrieves the linked context from the response's
Linkheader if available. If multiple valid metadata files are linked, the last one is used.