'io.zipkin:zipkin-sampler:1.4.2'
<dependency>
<groupId>io.zipkin</groupId>
<artifactId>zipkin-sampler</artifactId>
<version>1.4.2</version>
</dependency>
<dependency org="io.zipkin" name="zipkin-sampler" rev="1.4.2"/>
"io.zipkin", "zipkin-sampler", "1.4.2"