Make sandbox protocol construction easier to hook into.
Make sandbox protocol construction easier to hook into.

vishwaprakashmishra/xmatrix,harrissoerja/vumi,vishwaprakashmishra/xmatrix,TouK/vumi,vishwaprakashmishra/xmatrix,TouK/vumi,TouK/vumi,harrissoerja/vumi,harrissoerja/vumi