br><span class="type-parameter"><a href="dart-core/String-class.html">String</a></span>&gt;</span></span> <span class="parameter-name">fontFamilyFallback</span>, </span> <span class="parameter" id="-param-fontSize"><span class="type-annotation"><a href="dart-core/double-class.html">double</a></span> <span class="parameter-name">fontSize</span>, </span> <span class="parameter" id="-param-height"><span class="type-annotation"><a href="dart-core/double-class.html">double</a></span> <span class="parameter-name"