'com.netflix.hystrix:hystrix-core:1.4.21'
<dependency>
<groupId>com.netflix.hystrix</groupId>
<artifactId>hystrix-core</artifactId>
<version>1.4.21</version>
</dependency>
<dependency org="com.netflix.hystrix" name="hystrix-core" rev="1.4.21"/>
"com.netflix.hystrix", "hystrix-core", "1.4.21"