an><span class="token punctuation">(</span><span>with<span class="token operator"> = </span><a href="../../types/kotools.types.number/-strictly-negative-double-serializer/index.html">StrictlyNegativeDoubleSerializer::class</a></span><wbr><span class="token punctuation">)</span></div></div><span class="token keyword">class </span><a href="-strictly-negative-double/index.html">StrictlyNegativeDouble</a></div><div class="brief "><p class="paragraph">Represents a floating-point number of type <a href="https://k