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    //! Access types available on all architectures

    /// Full system is the required shareability domain, reads and writes are the
    /// required access types
    pub struct SY;

    dmb_dsb!(SY);

    impl super::super::sealed::Isb for SY {
        #[inline(always)]
        unsafe fn __isb(&self) {
            super::isb(super::arg::SY)
        }
    }