'org.apache.httpcomponents:httpasyncclient:4.0-alpha1'
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpasyncclient</artifactId>
<version>4.0-alpha1</version>
</dependency>
<dependency org="org.apache.httpcomponents" name="httpasyncclient" rev="4.0-alpha1"/>
"org.apache.httpcomponents", "httpasyncclient", "4.0-alpha1"