Synopsis

<p:declare-step type="p:namespace-rename">
     <p:input port="source"/>
     <p:output port="result"/>
     <p:option name="from"/>                                       <!-- anyURI -->
     <p:option name="to"/>                                         <!-- anyURI -->
     <p:option name="apply-to" select="'all'"/>                    <!-- "all" | "elements" | "attributes" -->
</p:declare-step>