able-tab2 method-summary-table-tab4">
<div class="block">Return all the header lines as an Enumeration of Strings.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Enumeration.html" title="class or interface in java.util" class="external-link">Enumeration</a>&lt;<a href="../Header.html" title="class in jakarta.mail">Header</a>&gt;</code></div>
<div c