true,
 and the jakarta.faces.STATE_SAVING_METHOD is set to "server" (as indicated below), the server state must be
 guaranteed to be Serializable such that the aggregate state implements java.io.Serializable. The intent of this
 parameter is to ensure that the act of writing out the state to an ObjectOutputStream would not throw a
 NotSerializableException, but the runtime is not required verify this before saving the state.
 </p></div>
<dl class="notes">
<dt>Since:</dt>
<dd>2.2</dd>
<dt>See Also:</dt>
<dd>