presto-main/src/main/java/io/prestosql/server/ServerInfoResource.java/ServerInfoResource/getInfo
class ServerInfoResource:    @GET
    @Produces(APPLICATION_JSON)
    public ServerInfo getInfo()
    {
        boolean starting = !startupComplete.get();
        return new ServerInfo(version, environment, coordinator, starting, Optional.of(nanosSince(startTime)));
    }