path	mode	size
..	drwxr-xr-x
auth	drwxr-xr-x
common-protos	drwxr-xr-x
gax	drwxr-xr-x
grpc-gcp	drwxr-xr-x
longrunning	drwxr-xr-x
protobuf	drwxr-xr-x