</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/fasterxml/jackson/dataformat/javaprop/JavaPropsSchema.html#Z:Z_header">_header</a></span></code>
<div class="block">Optional header to prepend before any other output: typically a
 comment section or so.</div>
