e
<code>runtime</code> has been removed in favor of
functionality provided by other packages.
Code using the <code>runtime.Type</code> interface
or its specific concrete type implementations should
now use package <a href="/pkg/reflect/"><code>reflect</code></a>.
Code using <code>runtime.Semacquire</code> or <code>runtime.Semrelease</code>
should use channels or the abstractions in package <a href="/pkg/sync/"><code>sync</code></a>.
The <code>runtime.Alloc</code>, <code>runtime.Free</code>,
and <code>runtim