function calls `PCMListParameterizations` or
`PCMListDefaultParameterizations` and generates the corresponding
`PCMParentClasses` and `PCMSpecify` methods in the global environment.</p>
    </div>

    <pre class="usage"><span class='fu'>PCMGenerateModelTypes</span>(
  <span class='kw'>baseTypes</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/list.html'>list</a></span>(<span class='kw'>BM</span> <span class='kw'>=</span> <span class='st'>"default"</span>, <span class='kw'>O