{"head":"e9a486c1b2bb857cc6a113c22ce6f88e7ac7827f","size":1,"push_id":44444802,"shas":[["e9a486c1b2bb857cc6a113c22ce6f88e7ac7827f","ae977758e2c06726d78a62d2837feae0575013ce@gmail.com","Switch to concurrent weak map","Stuart McCulloch"]],"ref":"refs/heads/master"}