ruby-mime-types-data 3.2015.1120-1 (riscv64 binary) in ubuntu hirsute

 This package consists of the gem mime-types-data that provides a registry for
 information about MIME media type definitions. It can be used with the Ruby
 mime-types library or other software to determine defined filename extensions
 for MIME types, or to use filename extensions to look up the likely MIME type
 definitions.