package org.sonar.core.issue;
<BUG>import javax.annotation.Nullable;
import java.util.Date;</BUG>
import java.util.UUID;
<BUG>public class IssueComment extends IssueChange {
private String key;</BUG>
private String text;

package org.sonar.core.issue;
import javax.annotation.Nullable;
import java.io.Serializable;
import java.util.Date;
import java.util.UUID;
public class IssueComment implements Serializable {
private String userLogin;
private Date createdAt, updatedAt;
private String key;
private String text;
