public Map<String, String> getValues() {
        return values;
    }
Returns a map of all field values by field name. The fields having the
names used within this map should be defined within the collection of
required parameters returned by getExpected().

@return
    A map of all field values by field name.
guacamole/src/main/java/org/apache/guacamole/rest/activeconnection/APIUserCredentials.java