class="paramLabel">参数:</span></dt>
<dd><code>file</code> - path of the file to read</dd>
<dt><span class="returnLabel">返回:</span></dt>
<dd>Returns the content bytes read from the file.</dd>
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<h4>getHeaderFromLocalCache</h4>
<pre>public static&nbsp;java.util.Map&lt;java.lang.String,java.util.List&lt;java.lang.String&gt;&gt;&nbsp;getHeaderFromLocalCache(java.lang.Stri