public PropertyExpansion[] getPropertyExpansions() {
PropertyExpansionsResult result = new PropertyExpansionsResult(this, this);
result.addAll(super.getPropertyExpansions());
StringToStringsMap requestHeaders = getRequestHeaders();
for (Map.Entry<String, List<String>> headerEntry : requestHeaders.entrySet()) {
for (String value : headerEntry.getValue()) {
result.addAll(PropertyExpansionUtils.extractPropertyExpansions(this,
new HttpTestRequestStep.RequestHeaderHolder(headerEntry.getKey(), value, this), "value"));
}
}