sword</span></span> })
      
    </section>
    <section class="desc markdown">
      <p>Sets the set of trusted X509 certificates used by <a href="dart-io/SecureSocket-class.html">SecureSocket</a>
client connections, when connecting to a secure server.</p>
<p><code>file</code> is the path to a PEM or PKCS12 file containing X509 certificates,
usually root certificates from certificate authorities. For PKCS12 files,
<code>password</code> is the password for the file. For PEM files, <code>password</code> is
