public String getSourceReference() {
        return this.sourceReference;
    }
<p>
The branch of the repository that contains the changes for the pull request. Also known as the source branch.
</p>

@return The branch of the repository that contains the changes for the pull request. Also known as the source
        branch.
aws-java-sdk-codecommit/src/main/java/com/amazonaws/services/codecommit/model/PullRequestTarget.java