gnome-shell-extensions/SOURCES/classic.json

{
    "parentMode": "user",
    "stylesheetName": "gnome-classic.css",
    "hasOverview": false,
    "showWelcomeDialog": false,
    "enabledExtensions": ["apps-menu@gnome-shell-extensions.gcampax.github.com", "places-menu@gnome-shell-extensions.gcampax.github.com", "launch-new-instance@gnome-shell-extensions.gcampax.github.com", "top-icons@gnome-shell-extensions.gcampax.github.com", "window-list@gnome-shell-extensions.gcampax.github.com"],
    "panel": { "left": ["appMenu"],
               "center": [],
               "right": ["a11y", "keyboard", "dateMenu", "aggregateMenu"]
             }
}