Generated models and request builders #161

Job	Run time
build (ubuntu-latest, 3.0)	2m 42s
build (ubuntu-latest, 3.1)	2m 42s
build (ubuntu-latest, 3.2)	2m 35s
build (ubuntu-latest, head)	2m 38s
build (ubuntu-latest, jruby)	3m 39s
build (ubuntu-latest, jruby-head)	3m 37s
build (ubuntu-latest, truffleruby)	3m 31s
build (ubuntu-latest, truffleruby-head)	4m 12s
build (macos-latest, 3.0)	3m 3s
build (macos-latest, 3.1)	2m 55s
build (macos-latest, 3.2)	3m 20s
build (macos-latest, head)	2m 57s
build (macos-latest, jruby)	4m 9s
build (macos-latest, jruby-head)	4m 46s
build (macos-latest, truffleruby)	4m 13s
build (macos-latest, truffleruby-head)	5m 10s
	56m 9s

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