coding used within serialization operations. Client applications are
 expected to supply a valid character encoding as defined in the
 <a href="http://tools.ietf.org/html/rfc7159">RFC 7159</a> and supported by Java Platform.
 </blockquote>

 <p>For optimal use, <code>JsonbBuilder</code> and <code>Jsonb</code> instances should be
 reused - for a typical use-case, only one <code>Jsonb</code> instance is
 required by an application.</p>

 <p>All the methods in this class are safe for use by multiple concurrent