Atmosphere's Module for Native Comet Support. Those modules are shared between Atmosphere 1.0.x and 2.0.x. With 1.0.x, they are rebundled with the same version of Atmosphere.

    <dependency>
         <groupId>org.atmosphere</groupId>
         <artifactId>atmosphere-compat-{tomcat|tomcat7|jbossweb}</artifactId>
         <version>2.0.0</version>
    </dependency>

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