class ....{
    my sub thingie1 is rw {
        return my $var
            is Proxy( for => $hidden_var,
                      FETCH => { ... },
                      STORE => { ... },
                      TEMP  => { ... },
                      ...
            );
    }
    my sub thingie2 is rw {
        return my $var
            is Proxy( for => $hidden_var,
                      FETCH => { ... },
                      STORE => { ... },
                      TEMP  => { ... },
                      ...
            );
    }
    ...
}