Add `composite` structure family #1761

Job	Run time
Static Code Checks	21s
Test on Linux (3.9)	12m 44s
Test on Windows (3.12)	13m 17s
Test on Linux (3.10)	13m 48s
Build and validate container	2m 35s
Test on Linux (3.11)	11m 34s
Test on Linux (3.12)	11m 35s
	1h 5m 54s

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