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040000 tree e85d72e7d25588862af4fac09239207fff972fd2	event
040000 tree 1f117b04c1d28612f2288a692421e7ea5eaca574	http
040000 tree 3af7c0defd62b48bc2c8ec78935e8aa37490c8a8	mail
040000 tree c17f6033c7c13965ead44c6c057bc2041f903b15	mysql
040000 tree c0ffce1a7c9c3f63e881249d4d395226ba665f8f	os