libjson-simple-java 2.3.0-1 (s390x binary) in ubuntu hirsute

 While full featured and fully compliant with the JSON specification
 (RFC4627), JSON.simple aims to be as simple and efficient as possible.
 .
 It supports encoding, decoding and escaping JSON data and streams, and
 features a stoppable SAX-like interface to process JSON input.
 .
 It has been run through profiling tools to ensure high performance
 processing.