| AbstractZoneItemCacheObserver | 
 Abstract class for observer related to the management of the ZoneItems cache. 
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| AbstractZoneItemCacheOnContentObserver | 
 Abstract class for observer related to the management of the ZoneItems cache for content. 
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| AbstractZoneItemCacheOnZoneItemObserver | 
 Abstract class for observer related to the management of the ZoneItems cache for zone item modification. 
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| ContentZoneItemCachePolicy | 
 Zone item cache policy for contents. 
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| InvalidateZoneItemCacheOnContentCommentedObserver | 
 Invalidates the ZoneItem containing a Content which has just been commented. 
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| InvalidateZoneItemCacheOnContentModificationObserver | 
 Invalidates the ZoneItem containing a Content which has just been modified. 
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| InvalidateZoneItemCacheOnContentReactionObserver | 
 Invalidates the ZoneItem containing a Content which has just been commented. 
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| InvalidateZoneItemCacheOnContentTaggedObserver | 
 Invalidates the ZoneItem containing a Content which has just been tagged. 
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| InvalidateZoneItemCacheOnContentValidationObserver | 
 Invalidates the ZoneItem containing a Content which has just been validated or unpublished. 
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| InvalidateZoneItemCacheOnServiceModificationObserver | 
 Removes a single service from the cache when its parameters have changed. 
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| InvalidateZoneItemCacheOnViewParametersModifiedObserver | 
 Invalidates the ZoneItem containing a Content which has just been commented. 
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| InvalidateZoneItemCacheOnZoneItemModifiedObserver | 
 Invalidates a ZoneItem when it has been modified. 
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| InvalidateZoneItemCacheOnZoneItemMoveObserver | 
 Invalidates a ZoneItem when it has been moved. 
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