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040000 tree 28b2be6a826d4a0056e426351a3418a84007bd16	echo
100644 blob bb232c5ac91022a77e83a1c9230feec26d0777f1	echo_service.mojom
040000 tree e7a87cbbbc5f18c7ddfc5e9d122576cca2f907c1	pingpong
100644 blob 36e406866ceb7aedf6337f1fc37bb3f5ba4e9f16	pingpong_service.mojom
040000 tree a967451ed1cb8bacf288a78a73ea28ef252a1c55	pingpong_target