.SelfOfNonPODReturnMethod" class="anchored"><td class="def constructor"><a href="#type-must_be_valid_reason.SelfOfNonPODReturnMethod" class="anchor"></a><code>| </code><code><span class="constructor">SelfOfNonPODReturnMethod</span></code></td></tr></table></dt></dl><div><div class="spec include"><div class="doc"><dl><dt class="spec value" id="val-compare_must_be_valid_reason"><a href="#val-compare_must_be_valid_reason" class="anchor"></a><code><span class="keyword">val</span> compare_must_be_valid_reason : 