 </span><span class="tsd-signature-type">Mnemonic</span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Mnemonic</span></h4></li></ul></li></ul></div></section><section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited tsd-is-external"><a id="_signingKey" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span class="tsd-flag ts-flagReadonly">Readonly</span> _signing<wbr/>Key<a href=