ord">fun </span><a href="index.html">NotBlankString</a><span class="token punctuation">.</span><a href="../plus.html"><span class="token function">plus</span></a><span class="token punctuation">(</span><span class="parameters "><span class="parameter ">other<span class="token operator">: </span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html">String</a></span></span><span class="token punctuation">)</span><span class="token operator">: </span><a href="index.html">NotBlankStri