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040000 tree c1d44b51661697b083113ad09669bbb19e249b0f	channels
040000 tree 707fed29a6b0fb7013756a0a99fed6ba6ed264c6	interfaces
040000 tree 1759700f40a9f20a381ea0d8146288e4624d5bfe	ports
100644 blob f5b7f7a02f74986f1cde7940c8e6f93792c2fae0	req_rsp.hh