}

    /**
     * Decodes a Base64 string to bytes.
     *
     * @param base64String the Base64 string to decode
     * @return the decoded bytes, or null if input is null
     */
    protected byte[] decodeBase64(String base64String) {
        if (base64String == null) {
            return null;
        }
        try {
            return BASE64_DECODER.decode(base64String);

    class IntegrationTests {

        @Test
        @DisplayName("Should maintain state after multiple decodes")
        void testMultipleDecodes() throws SMBProtocolDecodingException {
            // First decode
            byte[] buffer1 = createValidCopyChunkResponse(1, 1024, 1024);
            response.decode(buffer1, 0, buffer1.length);
            assertEquals(1, response.getChunksWritten());

      return decode(certificatePem, pkcs8Base64)
    }

    private fun decode(
      certificatePem: String,
      pkcs8Base64Text: String,
    ): HeldCertificate {
      val certificate = certificatePem.decodeCertificatePem()

      val pkcs8Bytes =
        pkcs8Base64Text.decodeBase64()
          ?: throw IllegalArgumentException("failed to decode private key")

	for _, rule := range lc.Rules {
		if !rule.Expiration.IsNull() || !rule.NoncurrentVersionExpiration.IsNull() {
			return true
		}
	}
	return false
}

// UnmarshalXML - decodes XML data.
func (lc *Lifecycle) UnmarshalXML(d *xml.Decoder, start xml.StartElement) (err error) {
	switch start.Name.Local {
	case "LifecycleConfiguration", "BucketLifecycleConfiguration":
	default:

var _ Tagger = ETag{} // compiler check

// ETag returns the ETag itself.
//
// By providing this method ETag implements
// the Tagger interface.
func (e ETag) ETag() ETag { return e }

// FromContentMD5 decodes and returns the Content-MD5
// as ETag, if set. If no Content-MD5 header is set
// it returns an empty ETag and no error.
func FromContentMD5(h http.Header) (ETag, error) {
	v, ok := h["Content-Md5"]
	if !ok {

@J2ktIncompatible
@GwtIncompatible
public abstract class ByteSource {

  /** Constructor for use by subclasses. */
  protected ByteSource() {}

  /**
   * Returns a {@link CharSource} view of this byte source that decodes bytes read from this source
   * as characters using the given {@link Charset}.
   *
   * <p>If {@link CharSource#asByteSource} is called on the returned source with the same charset,

        }
    }

    /**
     * Decodes a similar document hash from its compressed and encoded form.
     * Reverses the encoding process applied by encodeSimilarDocHash.
     *
     * @param hash the encoded hash string to decode
     * @return the decoded hash string, or the original hash if decoding fails
     */

    }

    @Test
    @DisplayName("Test decode with owner SID only")
    void testDecodeWithOwnerSidOnly() throws SMBProtocolDecodingException {
        // Prepare buffer with owner SID only
        prepareMinimalSecurityDescriptorBuffer(testBuffer, 0, true, false, false);

        int size = securityDescriptor.decode(testBuffer, 0, testBuffer.length);

        // decode returns 0 when no DACL is present (falls through)

        assertEquals("c", raf.readLine());

        when(raf.read()).thenReturn(-1);
        assertNull(raf.readLine());
    }

    @Test
    @DisplayName("readUTF(): decodes bytes after size prefix")
    void readUTF_decodes() throws Exception {
        SmbRandomAccessFile raf = spy(newInstance("r", false, false, false));
        // Size prefix 3, then bytes for "abc"

        if (rem == 0) {
            return 0;
        }
        return 8 - rem;
    }

    @Override
    public int decode(final byte[] buffer, final int bufferIndex) throws SMBProtocolDecodingException {
        return decode(buffer, bufferIndex, false);
    }

    /**
     * Decodes the SMB2 message from the buffer.
     *
     * @param buffer the buffer containing the message