n such types.
      </p>
<p>
        Currently the only backend type provided by the library that is also a literal
        type are instantiations of <code class="computeroutput"><span class="identifier">cpp_int_backend</span></code>
        where the Allocator parameter is type <code class="computeroutput"><span class="keyword">void</span></code>,
        and the Checked parameter is <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">m