Prefer private methods when possible
Prefer private methods when possible

[#132265151](https://www.pivotaltracker.com/story/show/132265151)

Signed-off-by: Rob Day-Reynolds <904086f049d807ae99640dbdfde98536a5822f56@pivotal.io>

barthy1/bosh,barthy1/bosh,barthy1/bosh,barthy1/bosh