Values.PullRequestSourceReferenceUpdatedEventMetadataSourceInformation about an update to the source branch of a pull request.
type nonrec t = {repositoryName : RepositoryName.t option;The name of the repository where the pull request was updated.
*)beforeCommitId : CommitId.t option;The full commit ID of the commit in the destination branch that was the tip of the branch at the time the pull request was updated.
*)afterCommitId : CommitId.t option;The full commit ID of the commit in the source branch that was the tip of the branch at the time the pull request was updated.
*)mergeBase : CommitId.t option;The commit ID of the most recent commit that the source branch and the destination branch have in common.
*)}