er requirements for the hash codes.
They need not be consistent between executions of the same program
and there are no distribution guarantees.</p>
<p>Objects that are not equal are allowed to have the same hash code,
it is even technically allowed that all instances have the same hash code,
but if clashes happen too often, it may reduce the efficiency of hash-based
data structures like <code>HashSet</code> or <code>HashMap</code>.</p>
<p>If a subclass overrides <a href="request_token_request/TokenRequestD