public DescribeUserProfileRequest withUserArn(String userArn) {
        setUserArn(userArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN) of the user.
</p>

@param userArn
       The Amazon Resource Name (ARN) of the user.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-codestar/src/main/java/com/amazonaws/services/codestar/model/DescribeUserProfileRequest.java