Bukkit/Bukkit — pull request #579 by Devil-Boy (2012-04-03 07:37:55+00:00)
Title: Adds PlayerInvalidInteractEvent

https://bukkit.atlassian.net/browse/BUKKIT-1145

This event will allow plugins to catch when a client interacts with en entity ID that is not found on the server. This is useful for plugins that create and maintain "fake entities" on the client-side.