public String getValue(String name) {
        return values.get(name);
    }
Returns the value defined by this UserCrendentials object for the field
having the given name.

@param name
    The name of the field whose value should be returned.

@return
    The value of the field having the given name, or null if no value is
    defined for that field.
guacamole-ext/src/main/java/org/apache/guacamole/net/auth/credentials/UserCredentials.java