//you may have some more configs here...
    providers:
        user:
            entity: { class: MyAppBundle:User, property: loginEmail }
        admin:
            entity: { class: MyAppBundle:Admin, property: username }
    firewalls:
        dev:
            pattern:  ^/(_(profiler|wdt)|css|images|js)/
            security: false
        login:
            pattern:  /login$
            security: false
        frontend:
            provider: user
            anonymous: ~
            pattern: ^/user
            form_login:
                login_path: /user/login
                check_path: /user/login_check
            logout:
                path: /user/logout
                target: /user/
        backend:
            provider: admin
            pattern: ^/admin
            form_login:
                login_path: /admin/login
                check_path: /admin/login_check
            logout:
                path: /admin/logout
                target: /admin/
            #anonymous: ~
    access_control:
        - { path: ^/user/switch$, roles: IS_AUTHENTICATED_ANONYMOUSLY }
        - { path: ^/user, roles: ROLE_USER }
        - { path: ^/admin, roles: ROLE_ADMIN }