100644 blob 939e3b56af06c48c49fcf4cdfbdb301f153c9ab8	BUILD.gn
040000 tree 22fd8cd102db277c7ad5db2b77bfd5a55e6dcab7	echo
100644 blob a8c3194030560336efba7b678ffcb28206a18e2c	echo_service.mojom
040000 tree 2ad34734416b54ea71665c0321e745dc58bdac34	pingpong
100644 blob 22d5f244c5d2524c739373f63a57de15342dca17	pingpong_service.mojom
040000 tree f7be11cceec62301757aed7bb105df288633a462	pingpong_target