server/resources/META-INF/build-server-plugin-build-agents-diff.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--suppress AutowiredDependenciesInspection -->
<beans
        xmlns="http://www.springframework.org/schema/beans"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd"
        default-autowire="constructor"
        >

  <bean class="jetbrains.buildServer.agentsDiff.BuildAgentsDiffTab"/>
  <bean class="jetbrains.buildServer.agentsDiff.BuildAgentsDiffViewController"/>
  <bean class="jetbrains.buildServer.agentsDiff.BuildAgentSummaryPageExtension"/>

</beans>