@DisplayName("writeBytesWireFormat writes StructureSize=4 and Reserved=0 at given offset")
    void writeBytesWireFormat_writesExpectedValuesAtOffset(int offset) {
        // Arrange
        Smb2LogoffRequest req = newRequest();
        byte[] buf = new byte[offset + 8]; // extra space for safety

        // Act
        int written = req.writeBytesWireFormat(buf, offset);

        // Assert: should write exactly 4 bytes

}

func (w *writerAt) WriteAt(b []byte, offset int64) (n int, err error) {
	w.m.Lock()
	defer w.m.Unlock()

	if w.nextOffset == offset {
		n, err = w.w.Write(b)
		w.nextOffset += int64(n)
	} else {
		if offset > w.nextOffset+ftpMaxWriteOffset {
			return 0, fmt.Errorf("write offset %d is too far ahead of next offset %d", offset, w.nextOffset)
		}
		w.buffer[offset] = make([]byte, len(b))
		copy(w.buffer[offset], b)

    session.commit()
    session.refresh(hero)
    return hero


@app.get("/heroes/")
def read_heroes(
    session: SessionDep,
    offset: int = 0,
    limit: Annotated[int, Query(le=100)] = 100,
) -> list[Hero]:
    heroes = session.exec(select(Hero).offset(offset).limit(limit)).all()
    return heroes


@app.get("/heroes/{hero_id}")
def read_hero(hero_id: int, session: SessionDep) -> Hero:

  private final class SlicedByteSource extends ByteSource {

    final long offset;
    final long length;

    SlicedByteSource(long offset, long length) {
      checkArgument(offset >= 0, "offset (%s) may not be negative", offset);
      checkArgument(length >= 0, "length (%s) may not be negative", length);
      this.offset = offset;
      this.length = length;
    }

    @Override

        if (offset >= mappingItemList.size() || offset < 0) {
            return new PagingList<>(Collections.<CharMappingItem> emptyList(), offset, size, mappingItemList.size());
        }

        int toIndex = offset + size;
        if (toIndex > mappingItemList.size()) {
            toIndex = mappingItemList.size();
        }

        return this;
    }

    /**
     * Gets the fragment offset.
     *
     * @return the fragment offset value
     */
    public int getFragmentOffset() {
        return fragmentOffset;
    }

    /**
     * Sets the fragment offset with fluent interface.
     *
     * @param fragmentOffset the fragment offset value
     * @return this HighlightInfo instance for method chaining
     */

     * @param fid the file identifier
     * @param offset the file offset at which to write
     * @param remaining the number of bytes remaining to be written
     * @param b the data buffer containing bytes to write
     * @param off the offset in the buffer where data starts
     * @param len the number of bytes to write
     */

    private int fid, count, offset, remaining, off;
    private byte[] b;

    SmbComWrite() {
        command = SMB_COM_WRITE;
    }

    SmbComWrite(final int fid, final int offset, final int remaining, final byte[] b, final int off, final int len) {
        this.fid = fid;
        this.count = len;
        this.offset = offset;
        this.remaining = remaining;
        this.b = b;

        SMBUtil.writeInt2(shareType, buffer, bufferIndex);
        bufferIndex += 2;

        // Write remark offset (4 bytes)
        int remarkOffset = shareNameSize + typeSize + offsetSize;
        SMBUtil.writeInt4(remarkOffset, buffer, bufferIndex);
        bufferIndex += 4;

        // Write remark at the calculated offset
        byte[] remarkBytes = remark.getBytes(StandardCharsets.US_ASCII);

      z = rotateRight(z + w[0], 33) * K1;
      weakHashLength32WithSeeds(bytes, offset, v[1] * K1, x + w[0], v);
      weakHashLength32WithSeeds(bytes, offset + 32, z + w[1], y + load64(bytes, offset + 16), w);
      long tmp = x;
      x = z;
      z = tmp;
      offset += 64;
    } while (offset != end);
    long mul = K1 + ((z & 0xFF) << 1);
    // Operate on the last 64 bytes of input.
    offset = last64offset;