if (param != null) {
if (parameters == null) {
parameters = new HashMap<String, ParamDescriptor>();
}
String name = ve.getSimpleName().toString();
ParameterMetaModel a = method.parameterBy(name);
if (a instanceof PhaseParameterMetaModel) {
PhaseParameterMetaModel b = (PhaseParameterMetaModel)a;
String pattern = param.pattern().length() == 0 ? null : param.pattern();
parameters.put(b.getMappedName(), new ParamDescriptor(pattern, param.preservePath(), param.captureGroup()));
} else {