encodingFormat property
//developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types)),
e.g application/zip for a SoftwareApplication binary, audio/mpeg
for .mp3 etc In cases where a [CreativeWork] has several
media type representations, [encoding] can be used to indicate
each [MediaObject] alongside particular [encodingFormat]
information Unregistered or niche encoding and file formats can
be indicated instead via the most appropriate URL, e.g defining
Web page or a Wikipedia/Wikidata entry. Supported types:
String, String
Implementation
String? encodingFormat;