040000 tree ef5822ab9b28c1534d751e329d20d75068f74a7d	android
040000 tree 3ba8660cca6df9023f934275b6d24a146d162ab8	darwin
040000 tree e2b7c8cee569dbc454c2f75aa68b9d0ab7ae51bf	linux
040000 tree 0ce70cec34bb367b0773cc058e11291bc5b3e9a3	tv-casting-common