Expanded class hierarchy of views_content_cache_key_comment in Views content cache 7.3
- class \views_content_cache_key
- class \views_content_cache_key_comment
- class \views_content_cache_key_node
- class \views_content_cache_key_node_only
- class \views_content_cache_key_og
- class \views_content_cache_key_votingapi