Compile error: cannot find symbol AbstractHippoBeanCollector (targeting)

[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project hippogogreen-enterprise-site: Compilation failure: Compilation failure:
[ERROR] /home/abanck/svn/gogreen-enterprise/site/src/main/java/com/onehippo/hgge/targeting/TagsQuerystringCollector.java:[17,45] error: cannot find symbol
[ERROR] symbol: class AbstractHippoBeanCollector
[ERROR] location: package com.onehippo.cms7.targeting.collectors
[ERROR] /home/abanck/svn/gogreen-enterprise/site/src/main/java/com/onehippo/hgge/targeting/TagsQuerystringCollector.java:[20,46] error: cannot find symbol
[ERROR] symbol: class AbstractHippoBeanCollector
[ERROR] /home/abanck/svn/gogreen-enterprise/site/src/main/java/com/onehippo/hgge/targeting/TagsQuerystringCollector.java:[37,4] error: method does not override or implement a method from a supertype
[ERROR] -> [Help 1]

org.hippoecm.hst.core.request.HstRequestContext#getContentBean