This plugin provides several response formats.
'org.codelibs:elasticsearch-dataformat:2.2.0'
<dependency>
<groupId>org.codelibs</groupId>
<artifactId>elasticsearch-dataformat</artifactId>
<version>2.2.0</version>
</dependency>
<dependency org="org.codelibs" name="elasticsearch-dataformat" rev="2.2.0"/>
"org.codelibs", "elasticsearch-dataformat", "2.2.0"