Event stream and complex event processing component
'com.espertech:esper:4.0.0'
<dependency> <groupId>com.espertech</groupId> <artifactId>esper</artifactId> <version>4.0.0</version> </dependency>
<dependency org="com.espertech" name="esper" rev="4.0.0"/>
"com.espertech", "esper", "4.0.0"