return HEADER_LENGTH;
    }

    int readHeaderWireFormat(final InputStream in, final byte[] buffer, int bufferIndex) {
        this.type = buffer[bufferIndex] & 0xFF;
        bufferIndex++;
        this.length = ((buffer[bufferIndex] & 0x01) << 16) + readInt2(buffer, bufferIndex + 1);
        return HEADER_LENGTH;
    }

    abstract int writeTrailerWireFormat(byte[] dst, int dstIndex);

    @Override
    public String extendedToString() {
        StringBuilder buffer = new StringBuilder(256);

        buffer.append(LS).append("Artifact Metadata").append(LS).append("--------------------------");
        buffer.append(LS).append("GroupId: ").append(getGroupId());
        buffer.append(LS).append("ArtifactId: ").append(getArtifactId());
        buffer.append(LS).append("Metadata Type: ").append(getClass().getName());

    }

    @Override
    public int decode(final byte[] buffer, int bufferIndex, final int len) {
        final int start = bufferIndex;

        this.pathConsumed = SMBUtil.readInt2(buffer, bufferIndex) / 2;
        bufferIndex += 2;
        this.numReferrals = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.tflags = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 4;

    assertThat(stream.readBytes.total).isEqualTo(0L)
    assertThat(stream.takeHeaders()).isEqualTo(headersOf("a", "android"))
    val source = stream.source
    val buffer = Buffer()
    buffer.writeAll(source)
    assertThat(source.read(buffer, 1)).isEqualTo(-1)
    assertThat(buffer.size).isEqualTo(150)
    val synStream = peer.takeFrame()
    assertThat(synStream.type).isEqualTo(Http2.TYPE_HEADERS)
    for (i in 0..2) {

        SMBUtil.writeTime(testTime, buffer, 32); // changeTime
        SMBUtil.writeInt8(1024L, buffer, 40); // endOfFile
        SMBUtil.writeInt8(2048L, buffer, 48); // allocationSize
        SMBUtil.writeInt4(0x20, buffer, 56); // extFileAttributes
        SMBUtil.writeInt4(512, buffer, 64); // eaSize

        // Decode
        fileBothDirectoryInfo.decode(buffer, 0, buffer.length);

     * Ensure encode throws NPE when passed a null buffer.
     */
    @Test
    @DisplayName("Encode with null buffer throws NullPointerException")
    public void testEncodeNullBuffer() throws NdrException {
        NdrHyper hyper = new NdrHyper(5L);
        assertThrows(NullPointerException.class, () -> hyper.encode(null));
    }

    /**
     * Ensure decode throws NPE when passed a null buffer.
     */
    @Test

        SMBUtil.writeInt4(-1000, buffer, bufferIndex + 11);
        SMBUtil.writeInt4(0, buffer, bufferIndex + 15);
        SMBUtil.writeInt4(0, buffer, bufferIndex + 19);
        SMBUtil.writeInt4(-5000, buffer, bufferIndex + 23);
        SMBUtil.writeInt4(0, buffer, bufferIndex + 27);
        SMBUtil.writeInt4(0, buffer, bufferIndex + 31);
        buffer[bufferIndex + 35] = (byte) 0x80; // 128 as unsigned

    /**
     * Decompresses data into a provided buffer.
     *
     * @param compressedData the compressed data buffer
     * @param offset the offset in the compressed data buffer
     * @param length the length of compressed data
     * @param outputBuffer the output buffer for decompressed data
     * @param outputOffset the offset in the output buffer
     * @param algorithm the compression algorithm that was used

        // Group SID at offset 40
        buffer.position(40);
        buffer.put((byte) 0x01); // Revision
        buffer.put((byte) 0x01); // SubAuthorityCount
        buffer.put(new byte[] { 0, 0, 0, 0, 0, 2 }); // IdentifierAuthority
        buffer.putInt(0); // SubAuthority

        // DACL at offset 60
        buffer.position(60);
        buffer.put((byte) 0x02); // AclRevision

import java.nio.Buffer;

/**
 * Wrappers around {@link Buffer} methods that are covariantly overridden in Java 9+. See
 * https://github.com/google/guava/issues/3990
 */
@GwtIncompatible
final class Java8Compatibility {
  static void clear(Buffer b) {
    b.clear();
  }

  static void flip(Buffer b) {
    b.flip();
  }

  static void limit(Buffer b, int limit) {
    b.limit(limit);
  }