*/

    @Override
    public int decode ( byte[] buffer, int bufferIndex ) throws SMBProtocolDecodingException {
        int start = this.headerStart = bufferIndex;

        bufferIndex += readHeaderWireFormat(buffer, bufferIndex);
        bufferIndex += readAndXWireFormat(buffer, bufferIndex);

        int len = bufferIndex - start;
        this.length = len;

        if ( isRetainPayload() ) {

        bufferIndex += 4;
        this.capabilities = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.maximalAccess = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        return bufferIndex - start;
    }

        int bufferLength = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        Decodable i = createInformation(this.expectInfoType, this.expectInfoClass);
        if ( i != null ) {
            i.decode(buffer, bufferOffset, bufferLength);
        }
        bufferIndex = Math.max(bufferIndex, bufferOffset + bufferLength);
        this.info = i;
        return bufferIndex - start;
    }

    }


    /**
     * @param buffer
     * @param bufferIndex
     * @param maxLen
     * @return position of terminating null bytes
     */
    public static int findUNITermination ( byte[] buffer, int bufferIndex, int maxLen ) {
        int len = 0;
        while ( buffer[ bufferIndex + len ] != (byte) 0x00 || buffer[ bufferIndex + len + 1 ] != (byte) 0x00 ) {
            len += 2;

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#readBytesWireFormat(byte[], int)
     */
    @Override
    protected int readBytesWireFormat ( byte[] buffer, int bufferIndex ) {
        return 0;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#readBytesWireFormat(byte[], int)
     */
    @Override
    protected int readBytesWireFormat ( byte[] buffer, int bufferIndex ) {
        return 0;
    }

  func.return %0 : tensor<40x40xf32>

// CHECK-LABEL: func @main(%arg0: tensor<40x37xf32>, %arg1: tensor<40x37xf32>) -> tensor<40x40xf32>
// CHECK:      %[[CONST:[0-9]+]] = "tfl.external_const"() <{buffer_index = 3 : i32}> : () -> tensor<40xf32>

      auto buffer_or =
          BuildBuffer(value, not_returned_by_subgraph, buffer_index);
      if (!buffer_or) return false;
      buffers_.push_back(*buffer_or);
    } else {
      buffers_.push_back(empty_buffer_);
    }

    auto tensor_or =
        BuildTensor(value, tensor_name, buffer_index, quant_parameters);
    if (!tensor_or) return false;
    tensors.push_back(*tensor_or);

  }
  return mlir::GetMlirOpNameFromOpCode(op_code);
}

StatusOr<Operation*> BuildExternalConstOp(const tflite::TensorT& tensor,
                                          int32_t buffer_index,
                                          OpBuilder builder, Location loc) {
  TF_ASSIGN_OR_RETURN(mlir::TensorType type,
                      tfl::GetTensorType(tensor, builder,

    DeclareOpInterfaceMethods<TFL_RuntimeVerification>]> {
  let summary = "External const op.";

  let description = [{
    External const op holds a `buffer_index` which points to a constant
    in the flatbuffer.
  }];

  let arguments = (ins I32Attr:$buffer_index);

  let results = (outs AnyTensor:$output);
}

def TFL_Conv2DOp : TFL_ConvOp<"conv_2d", "Convolution", 0,