</a></span> <span class="parameter-name">storageType</span>, </span><wbr><span class="parameter" id="queryUsageAndQuota-param-usageCallback">[<span class="type-annotation"><a href="../dart-html/StorageUsageCallback.html">StorageUsageCallback</a></span> <span class="parameter-name">usageCallback</span>, </span><wbr><span class="parameter" id="queryUsageAndQuota-param-errorCallback"><span class="type-annotation"><a href="../dart-html/StorageErrorCallback.html">StorageErrorCallback</a></span> <span class="para