// createCalendar
final JMethod createCalendar = of.method( JMod.STATIC, cm.ref( Calendar.class ), "createCalendar" );
JVar value = createCalendar.param( JMod.FINAL, XMLGregorianCalendar.class, "value" );
createCalendar.body().directStatement( "// " + getMessage( "title" ) );
createCalendar.body()._return(
JOp.cond( value.eq( JExpr._null() ), JExpr._null(), value.invoke( "toGregorianCalendar" ) ) );
createCalendar.javadoc().append( "Creates a " + Calendar.class.getName() + " instance from a "
+ XMLGregorianCalendar.class.getName() + " instance." );
createCalendar.javadoc().addParam( value ).append(