As requested in #22102, #22103 and #22105 moved the files and fixed other includes and build system. Moved files: - clustering_bounds_comparator.hh - keys.cc - keys.hh - clustering_interval_set.hh - clustering_key_filter.hh - clustering_ranges_walker.hh - compound_compat.hh - compound.hh - full_position.hh Fixes: #22102 Fixes: #22103 Fixes: #22105 Closes scylladb/scylladb#25082