As per https://developer.github.com/v3/pulls/#get-a-single-pull-request `locked` - read/write, https://developer.github.com/v3/issues/#unlock-an-issue `commits` - read only `maintainer_can_modify` - read/write, https://developer.github.com/v3/pulls/#update-a-pull-request
As per https://developer.github.com/v3/pulls/#get-a-single-pull-request
locked- read/write, https://developer.github.com/v3/issues/#unlock-an-issuecommits- read onlymaintainer_can_modify- read/write, https://developer.github.com/v3/pulls/#update-a-pull-request