public void setAuthorArn(String authorArn) {
        this.authorArn = authorArn;
    }
<p>
The Amazon Resource Name (ARN) of the person who posted the comment.
</p>

@param authorArn
       The Amazon Resource Name (ARN) of the person who posted the comment.
aws-java-sdk-codecommit/src/main/java/com/amazonaws/services/codecommit/model/Comment.java