# @INC is (a,b,c) here
{
    use lib::lexical "d", "e";
    # @INC is (d,e,a,b,c) here
    require Foo;
    {
        no lib::lexical "b", "c";
        # @INC is (d,e,a) here
        require Bar;
    }
    # @INC is (d,e,a,b,c) here
}
# @INC is (a,b,c) here