<para>The <literal>c</literal> namespace uses the same conventions as the <literal>p</literal> one (trailing <literal>-ref</literal> for bean references)
<para>The <literal>c:</literal> namespace uses the same conventions as the <literal>p:</literal> one (trailing <literal>-ref</literal> for bean references)
for setting the constructor arguments by their names. And just as well, it needs to be declared even though it is not defined in an XSD schema