Which function decides the object printing in ggplot2?

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Tags

1. #layer
2. #adjustment
3. #mapping
4. #statistical
5. #aesthetic
6. #create
7. #default
8. #transformation
9. #function
10. #combines
11. #position
12. #object
13. #geometric
14. #layers
15. #needed
16. #typically
17. #using
18. #overriding