<dependency>
<groupId>org.codelibs.elasticsearch.module</groupId>
<artifactId>transport-netty4</artifactId>
<version>5.2.1</version>
</dependency>
@Grapes(
@Grab(group='org.codelibs.elasticsearch.module', module='transport-netty4', version='5.2.1')
)
<dependency org="org.codelibs.elasticsearch.module" name="transport-netty4" rev="5.2.1" />