public DeleteAppInstanceUserRequest withAppInstanceUserArn(String appInstanceUserArn) {
        setAppInstanceUserArn(appInstanceUserArn);
        return this;
    }
<p>
The ARN of the user request being deleted.
</p>

@param appInstanceUserArn
       The ARN of the user request being deleted.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-chime/src/main/java/com/amazonaws/services/chime/model/DeleteAppInstanceUserRequest.java