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; /** * The query for attributes deletion. */ public final class AttributesDeletionQuery { private String courseId; private String feedbackSessionName; private String questionId; private String responseId; private String userEmail; private Boolean isInstructor; private AttributesDeletionQuery() { // use builder to construct query } public boolean isCourseIdPresent() { return courseId != null; } public boolean isFeedbackSessionNamePresent() { return feedbackSessionName != null; } public boolean isQuestionIdPresent() { return questionId != null; } public boolean isResponseIdPresent() { return responseId != null; } public boolean isUserEmailPresent() { return userEmail != null; } public boolean isIsInstructorPresent() { return isInstructor != null; } public String getCourseId() { return courseId; } public String getFeedbackSessionName() { return feedbackSessionName; } public String getQuestionId() { return questionId; } public String getResponseId() { return responseId; } public String getUserEmail() { return userEmail; } public Boolean getIsInstructor() { return isInstructor; } /** * Returns a builder for {@link AttributesDeletionQuery}. */ public static Builder builder() { return new Builder(); } /** * Builder for {@link AttributesDeletionQuery}. */ public static class Builder { private static final String INVALID_COMBINATION = "Invalid combination"; private AttributesDeletionQuery attributesDeletionQuery; private Builder() { attributesDeletionQuery = new AttributesDeletionQuery(); } public Builder withCourseId(String courseId) { assert courseId != null; assert !attributesDeletionQuery.isQuestionIdPresent() : INVALID_COMBINATION; assert !attributesDeletionQuery.isResponseIdPresent() : INVALID_COMBINATION; attributesDeletionQuery.courseId = courseId; return this; } public Builder withFeedbackSessionName(String feedbackSessionName) { assert feedbackSessionName != null; assert attributesDeletionQuery.isCourseIdPresent() : "Session name must come together with course ID"; assert !attributesDeletionQuery.isQuestionIdPresent() : INVALID_COMBINATION; assert !attributesDeletionQuery.isResponseIdPresent() : INVALID_COMBINATION; assert !attributesDeletionQuery.isUserEmailPresent() : INVALID_COMBINATION; assert !attributesDeletionQuery.isIsInstructorPresent() : INVALID_COMBINATION; attributesDeletionQuery.feedbackSessionName = feedbackSessionName; return this; } public Builder withQuestionId(String questionId) { assert questionId != null; assert !attributesDeletionQuery.isCourseIdPresent() : INVALID_COMBINATION; assert !attributesDeletionQuery.isFeedbackSessionNamePresent() : INVALID_COMBINATION; assert !attributesDeletionQuery.isResponseIdPresent() : INVALID_COMBINATION; assert !attributesDeletionQuery.isUserEmailPresent() : INVALID_COMBINATION; assert !attributesDeletionQuery.isIsInstructorPresent() : INVALID_COMBINATION; attributesDe
Assistant: