c7e1e824ccf20f120fae6">func create(minimumCapacity: Int, makingHeaderWith factory: (ManagedBuffer&lt;Header, Element>) throws -> Header) rethrows -> ManagedBuffer&lt;Header, Element></a> <span class="required">Required</span><div class="comment collapse in" id="comment-create_minimumCapacity_makingHeaderWith-e67442b090dc7e1e824ccf20f120fae6"><p>Create a new instance of the most-derived class, calling
<code>factory</code> on the partially-constructed object to generate
an initial <code>Header</code>.</p>
<h4