I am currently working on a Craft CMS plugin, which adds functionality on top of assets, that should be callable in templates. I have come up with a Twig Extension that allows templates to call it like this:

{{ image | myCustomMethod }}

However, I would like to provide the method directly on the image itself instead (because it is more readable/intuitive and makes sure image is included in the craft element cache):

{{ image.myCustomMethod() }}

Is it possible for a plugin to extend the AssetFileModel class to do that? If so, how?

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