Return the cache to use for a specific document conversion.
Returns the registered cache if one exists; otherwise creates (or reuses) an ephemeral MemoryHttpCache scoped to the document's lifetime via a WeakMap.
the current Document instance
Return the cache to use for a specific document conversion.
Returns the registered cache if one exists; otherwise creates (or reuses) an ephemeral MemoryHttpCache scoped to the document's lifetime via a WeakMap.