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# System prepended metadata

title: AbstractFeedView Notes

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# AbstractFeedView Notes
### Dependencies
![img](https://i.imgur.com/11nyDgs.png)
### Knowledge
* https://github.com/rometools/rome
* Abstract base class for Atom and RSS Feed views
* `renderMergedOutputModel` builds feed metadata, builds feed entries and sets responses content-Type and output the wireFeed to response.