<span class="default-value">ZLibOption.defaultWindowBits</span>, </span> <span class="parameter" id="-param-memLevel"><span class="type-annotation"><a href="dart-core/int-class.html">int</a></span> <span class="parameter-name">memLevel</span>: <span class="default-value">ZLibOption.defaultMemLevel</span>, </span> <span class="parameter" id="-param-strategy"><span class="type-annotation"><a href="dart-core/int-class.html">int</a></span> <span class="parameter-name">strategy</span>: <span class="default-value