Optional
Serialization format for this map's file inside the pack. Defaults to 'json' when metadata is provided (the binary format cannot store metadata and would silently drop it), otherwise 'binary' for compactness. Set explicitly to override.
metadata
Serialization format for this map's file inside the pack. Defaults to 'json' when
metadatais provided (the binary format cannot store metadata and would silently drop it), otherwise 'binary' for compactness. Set explicitly to override.