in src/main/java/org/apache/sling/hapi/client/forms/internal/Vals.java [31:39]
public void add(String name, NameValuePair pair) {
if (data.containsKey(name)) {
data.get(name).add(pair);
} else {
ArrayList<NameValuePair> list = new ArrayList<NameValuePair>();
list.add(pair);
data.put(name, list);
}
}