Assistant: 
User: 
    Please analyze the following code file and determine whether it belongs to any of the provided modules based on the listed module descriptions.
    Note that the provided list of modules may not be exhaustive, and some files may not belong to any of the modules. 
    If the code belongs to a module, Only output the module name, without any explanation or additional information; otherwise, return 'None' if it does not belong to any module.

    Modules : {
        "UI": "Handles the front-end user interface, consisting of HTML, CSS, and JavaScript files generated by the Angular framework. It processes user requests and interacts with the server using AJAX for data retrieval and client-side interactions."
"Test Driver": "Facilitates automated regression testing and handles transmission of test data in JSON format. It performs Java testing using TestNG and JavaScript unit-testing with Jest. It also sets up a simulated web server for servlet-level tests and automates end-to-end testing using Selenium Java."
"Logic": "Manages the business logic of TEAMMATES, including handling relationships between entities, managing transactions, input value sanitization, access control rights, and interfacing with GAE-provided or third-party APIs."
"Storage": "Performs CRUD operations on data entities, validation of data, and abstraction of GQL queries, hiding the complexities of datastore from the Logic component."
"Common": "Contains utility classes, custom exceptions, and data transfer objects used across the entire application for easy consolidation and transfer of structured data."
"E2E": "Handles end-to-end testing and load & performance testing, providing helpers, abstractions of browser pages, and test cases for E2E tests and L&P tests."
"Client": "Contains scripts for administrative tasks, such as migrating data to a new schema and calculating statistics. This module connects directly to the application back-end for administrative purposes."
    }

    Code: package teammates.common.datatransfer.attributes; /** * The data transfer object for the notification. */ public final class NotificationAttributes extends EntityAttributes<Notification> { private String notificationId; private Instant startTime; private Instant endTime; private NotificationStyle style; private NotificationTargetUser targetUser; private String title; private String message; private boolean shown; // createdAt is not transient as it is used for the frontend to sort by creation datetime. private Instant createdAt; private transient Instant updatedAt; private NotificationAttributes(String notificationId) { this.notificationId = notificationId; } /** * Gets the {@link NotificationAttributes} instance of the given {@link Notification}. */ public static NotificationAttributes valueOf(Notification n) { NotificationAttributes notificationAttributes = new NotificationAttributes(n.getNotificationId()); notificationAttributes.startTime = n.getStartTime(); notificationAttributes.endTime = n.getEndTime(); notificationAttributes.style = n.getStyle(); notificationAttributes.targetUser = n.getTargetUser(); notificationAttributes.title = n.getTitle(); notificationAttributes.message = n.getMessage(); notificationAttributes.createdAt = n.getCreatedAt(); notificationAttributes.updatedAt = n.getUpdatedAt(); notificationAttributes.shown = n.isShown(); return notificationAttributes; } /** * Returns a builder for {@link NotificationAttributes}. */ public static Builder builder(String notificationId) { return new Builder(notificationId); } /** * Gets a deep copy of this object. */ public NotificationAttributes getCopy() { NotificationAttributes notificationAttributes = new NotificationAttributes(this.notificationId); notificationAttributes.startTime = this.startTime; notificationAttributes.endTime = this.endTime; notificationAttributes.style = this.style; notificationAttributes.targetUser = this.targetUser; notificationAttributes.title = this.title; notificationAttributes.message = this.message; notificationAttributes.createdAt = this.createdAt; notificationAttributes.updatedAt = this.updatedAt; notificationAttributes.shown = this.shown; return notificationAttributes; } public String getNotificationId() { return notificationId; } public void setNotificationId(String notificationId) { this.notificationId = notificationId; } public Instant getStartTime() { return startTime; } public void setStartTime(Instant startTime) { this.startTime = startTime; } public Instant getEndTime() { return endTime; } public void setEndTime(Instant endTime) { this.endTime = endTime; } public NotificationStyle getStyle() { return style; } public void setStyle(NotificationStyle style) { this.style = style; } public NotificationTargetUser getTargetUser() { return targetUser; } public void setTargetUser(NotificationTargetUser targetUser) { this.targetUser = targetUser; } public String getTitle()
Assistant: