ecoder/convert.html">convert</a></span><span class="signature">(<wbr><span class="parameter" id="convert-param-input"><span class="type-annotation"><a href="dart-core/String-class.html">String</a></span> <span class="parameter-name">input</span>, [</span> <span class="parameter" id="convert-param-start"><span class="type-annotation"><a href="dart-core/int-class.html">int</a></span> <span class="parameter-name">start</span> = <span class="default-value">0</span></span> <span class="parameter" id="convert-par