com.liferay.portal.service.permission
Interfaces 
AccountPermission
CommonPermission
GroupPermission
LayoutPermission
LayoutPrototypePermission
LayoutSetPrototypePermission
OrganizationPermission
PasswordPolicyPermission
PortalPermission
PortletPermission
RolePermission
UserGroupPermission
UserPermission
Classes 
AccountPermissionUtil
CommonPermissionUtil
GroupPermissionUtil
LayoutPermissionUtil
LayoutPrototypePermissionUtil
LayoutSetPrototypePermissionUtil
OrganizationPermissionUtil
PasswordPolicyPermissionUtil
PortalPermissionUtil
PortletPermissionUtil
RolePermissionUtil
UserGroupPermissionUtil
UserPermissionUtil