AppInfo.resetTypeAssociations
void resetTypeAssociations(string contentType)Removes all changes to the type associations done by gio.app_info.AppInfo.setAsDefaultForType, gio.app_info.AppInfo.setAsDefaultForExtension, gio.app_info.AppInfo.addSupportsType or gio.app_info.AppInfo.removeSupportsType.
Parameters
contentType | a content type |