4 methods override ContentEntityBase::postSave()

BlockContent::postSave in core/modules/block_content/src/Entity/BlockContent.php
Acts on a saved entity before the insert or update hook is invoked.
Comment::postSave in core/modules/comment/src/Entity/Comment.php
Acts on a saved entity before the insert or update hook is invoked.
Item::postSave in core/modules/aggregator/src/Entity/Item.php
Acts on a saved entity before the insert or update hook is invoked.
User::postSave in core/modules/user/src/Entity/User.php
Acts on a saved entity before the insert or update hook is invoked.

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