🚀 The feature, motivation and pitch

I recently was forced to implement some composite custom ops with CompositeImplicitAutograd on top of another, more general custom op, for ONNX/TRT export purposes(the original op was used for both forward and backward and therefore had sequence output type that neither onnxruntime-extensions nor TRT can handle).
The idea was to use custom_translation_table with those composite ops for export.
Now it looks like I would need to implement some additional machinery based on DecompSkip to make that work - as the composite ops are being decomposed during ONNX export.
Can that be handled automatically?
I mean - if I do specify custom_translation table, it should be safe to assume the best course of action is to keep the custom ops specified in the table, from decomposition so that the translation would actually happen.

@xadupre @justinchuby

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Additional context

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cc @chauhang @penguinwu @avikchaudhuri @gmagogsfm @zhxchen17 @tugsbayasgalan @angelayi @suo @ydwu4