presto-kudu/src/main/java/io/prestosql/plugin/kudu/KuduClientConfig.java/KuduClientConfig/setSchemaEmulationPrefix
class KuduClientConfig:    @Config("kudu.schema-emulation.prefix")
    public KuduClientConfig setSchemaEmulationPrefix(String prefix)
    {
        this.schemaEmulationPrefix = prefix;
        return this;
    }