String-class.html">String</a></span> <span class="parameter-name">value</span>, </span> <span class="parameter" id="updateNode-param-increasedValue"><span class="type-annotation"><a href="dart-core/String-class.html">String</a></span> <span class="parameter-name">increasedValue</span>, </span> <span class="parameter" id="updateNode-param-decreasedValue"><span class="type-annotation"><a href="dart-core/String-class.html">String</a></span> <span class="parameter-name">decreasedValue</span>, </span> <span clas