Feature ghost interface restructuring overlap #3408

Job	Run time
fine_grained_trigger	11s
t8code_w_shipped_submodules_tests	0s
preparation	0s
t8code_tests	0s
t8code_valgrind_tests	0s
t8code_api_tests	0s
sc_p4est_tests	0s
t8code_code_coverage	0s
t8code_linkage_tests	0s
t8code_tarball	0s
	11s

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