* given predicate, if such an element exists.
   *
   * <p><b>Warning:</b> avoid using a {@code predicate} that matches {@code null}. If {@code null}
   * is matched in {@code iterable}, a NullPointerException will be thrown.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code stream.filter(predicate).findFirst()}
   *
   * @since 11.0
   */

    //                                                                        Small Helper
    //                                                                        ============
    /**
     * Verify that the CRUD mode matches the expected mode.
     * Throws validation error if modes don't match.
     *
     * @param crudMode The current CRUD mode
     * @param expectedMode The expected CRUD mode

        System.arraycopy(buffer, 8, copiedFileId, 0, 16);
        assertArrayEquals(expectedFileId, copiedFileId);
    }

    @Test
    @DisplayName("Test wire format structure matches SMB2 specification")
    void testWireFormatStructure() {
        byte[] buffer = new byte[256];
        Arrays.fill(buffer, (byte) 0xCC); // Fill with pattern to detect unwritten areas

        // Decode and check return value
        int bytesConsumed = fileBothDirectoryInfo.decode(buffer, 0, buffer.length);

        // Verify bytes consumed matches the actual data size
        assertTrue(bytesConsumed < 0); // Return value is negative (start - bufferIndex)
        assertEquals(-94 - filename.length() * 2, bytesConsumed); // Base structure + filename length
    }

        .build()
    val call2 = client2.newCall(request)
    val response = call2.execute()
    assert200Http2Response(response, "san.com")
  }

  /** If the existing connection matches a SAN but not a match for DNS then skip.  */
  @Test
  fun skipsWhenDnsDontMatch() {
    server.enqueue(MockResponse())
    assert200Http2Response(execute(url), server.hostName)

n=n||[],1===c.length){if(2<(o=c[0]=c[0].slice(0)).length&&"ID"===(a=o[0]).type&&9===t.nodeType&&C&&b.relative[o[1].type]){if(!(t=(b.find.ID(a.matches[0].replace(O,P),t)||[])[0]))return n;l&&(t=t.parentNode),e=e.slice(o.shift().value.length)}i=D.needsContext.test(e)?0:o.length;while(i--){if(a=o[i],b.relative[s=a.type])break;if((u=b.find[s])&&(r=u(a.matches[0].replace(O,P),H.test(o[0].type)&&U(t.parentNode)||t))){if(o.splice(i,1),!(e=r.length&&Q(o)))return k.apply(n,r),n;break}}}return(l||ne(e,c))...

    // ternaries introduce their own problems. because of the ternary (which requires a boxing
    // operation) no overload can be selected in phase 1.  and in phase 2 it is ambiguous since it
    // matches with the second parameter being boxed and without it being boxed.  The cast to Object
    // avoids this.
    checkState(aBoolean, "", aBoolean ? "" : anInt, (Object) anInt);

        }

        @Override
        public boolean onStartElement(String element, Map<String, String> attributes) {
            Matcher matcher = HEADER_PATTERN.matcher(element);
            if (!matcher.matches()) {
                return false;
            }
            int depth = Integer.parseInt(matcher.group(1));
            if (sectionDepth == 0) {
                sectionDepth = depth - 1;
            }

     */
    protected HtmlResponse doSearch(final ListForm form) {
        validate(form, messages -> {}, this::asListHtml);

        if (StringUtil.isBlank(form.q)) {
            // query matches on all documents.
            form.q = Constants.MATCHES_ALL_QUERY;
        }
        final WebRenderData renderData = new WebRenderData();
        form.initialize();

	if len(cert.ValidPrincipals) == 0 {
		return errSftpCertWithoutPrincipals
	}

	// Verify that certificate provided by user is issued by trusted CA,
	// username in authentication request matches to identities in certificate
	// and that certificate type is correct.
	checker := ssh.CertChecker{}
	checker.IsUserAuthority = func(k ssh.PublicKey) bool {