@@ -0,0 +1,453 @@
+package ru.stqa.pft.addressbook;%0A%0Apublic class GroupData %7B%0A  private final String name;%0A  private final String header;%0A  private final String footer;%0A%0A  public GroupData(String name, String header, String footer) %7B%0A    this.name = name;%0A    this.header = header;%0A    this.footer = footer;%0A  %7D%0A%0A  public String getName() %7B%0A    return name;%0A  %7D%0A%0A  public String getHeader() %7B%0A    return header;%0A  %7D%0A%0A  public String getFooter() %7B%0A    return footer;%0A  %7D%0A%7D%0A

Test refactoring (extracted class for group data)