100644 blob be69190db859c2b3dac6b14c9ffee72ccb4beeda	stack_impl.cc
100644 blob 67f87508c5138b188d2545e95e9d6b2057a031ee	stack_impl.h
100644 blob 9cd7f984baeecf219bd3f54060219c8e4e6473dc	stack_provider_impl.cc
100644 blob 73d13047fe50f653dfed510817b781d525dc6dbf	stack_provider_impl.h
100644 blob 02ae01e8c4336a57b2359edc987eb0c951732c65	stack_utils.cc
100644 blob f168a70d1f9574115e172d1332fdece46715e420	stack_utils.h