Macro _dyn_newtype_define_inner 

macro_rules! _dyn_newtype_define_inner {
    (   $(#[$outer:meta])*
        $vis:vis $name:ident($container:ident<$trait:ident>)
    ) => { ... };
    (   $(#[$outer:meta])*
        $vis:vis $name:ident<$lifetime:lifetime>($container:ident<$trait:ident>)
    ) => { ... };
}