 adapter to generate JSON-formatted log lines.</p><p>The <code>kind: rule</code> stanza of config defines a new <em>rule</em> named <code>newlogstdio</code>. The rule directs Mixer to send all <code>newlog.logentry</code> instances to the <code>newhandler.stdio</code> handler. Because the <code>match</code> parameter is set to <code>true</code>, the rule is executed for all requests in the mesh.</p><p>A <code>match: true</code> expression in the rule specification is not required to configure a rule to be e