/**
     * Get the value for the key 'virtual.host.headers'. <br>
     * The value is, e.g.  <br>
     * comment: Virtual Host: Host:fess.codelibs.org=fess
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getVirtualHostHeaders();

    /**
     * Get the value for the key 'virtual.host.headers' as {@link Integer}. <br>

  - [Changelog since v1.19.14](#changelog-since-v11914)
  - [Important Security Information](#important-security-information)
    - [CVE-2021-25741: Symlink Exchange Can Allow Host Filesystem Access](#cve-2021-25741-symlink-exchange-can-allow-host-filesystem-access)
  - [Changes by Kind](#changes-by-kind-1)
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