 class="docutils literal notranslate"><span class="pre">PRIVATE</span></code>, one or more base directories, and
files within those directories. The only acceptable type is <code class="docutils literal notranslate"><span class="pre">HEADERS</span></code>. The
optional default file sets are named after their type. The target may not be a
custom target or <span class="target" id="index-0-prop_tgt:FRAMEWORK"></span><a class="reference internal" href="../prop_tgt/FRAMEWORK.html#prop_tgt:FRAMEWORK" title="FRAME