Ansi ansi = factory.create();
        action.execute(new AnsiContextImpl(ansi, colorMap, writeCursor));
        write(ansi);
    }

    @Override
    public void writeAt(Cursor writePos, Action<? super AnsiContext> action) {
        Ansi ansi = factory.create();
        positionCursorAt(writePos, ansi);
        action.execute(new AnsiContextImpl(ansi, colorMap, writePos));
        write(ansi);

    }

    @Override
    protected void doWriteTo(final StreamOutput out) throws IOException {
        out.writeOptionalString(modelName);
        out.writeOptionalString(featureSetName);
        out.writeMap(params);
        out.writeOptionalStringArray(activeFeatures != null ? activeFeatures.toArray(new String[0]) : null);
        out.writeOptionalString(storeName);
    }

    @Override

     * @return the current context moved to the specified position.
     */
    AnsiContext cursorAt(Cursor cursor);

    /**
     * @return a new context at the specified write position.
     */
    AnsiContext writeAt(Cursor writePos);

  @GwtIncompatible // java.io.ObjectOutputStream
  private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();
    stream.writeObject(keyTypeOrObjectUnderJ2cl);
    Serialization.writeMap(this, stream);
  }

  @SuppressWarnings("unchecked") // reading field populated by writeObject
  @GwtIncompatible // java.io.ObjectInputStream

                // Does not need to be redrawn
                return;
            }

            int writtenTextLength = writePos.col;
            writePos.col = 0;
            redrawText(ansi.writeAt(writePos), writtenTextLength);

            writtenSpans = spans;
            previousWriteRow = absolutePositionRow;
        }
    }

    private void redrawText(AnsiContext ansi, int writtenTextLength) {

                int previousLength = entries.get(i + newLines).getWritePosition().col;
                if (currentLength < previousLength) {
                    ansi.writeAt(label.getWritePosition()).eraseForward();
                }
            }
        }

        if (isPreviouslyVisible || isVisible) {
            ansi.cursorAt(parkCursor());
        }

var errWriteAtInAppendMode = errors.New("os: invalid use of WriteAt on file opened with O_APPEND")

// WriteAt writes len(b) bytes to the File starting at byte offset off.
// It returns the number of bytes written and an error, if any.
// WriteAt returns a non-nil error when n != len(b).
//
// If file was opened with the O_APPEND flag, WriteAt returns an error.
func (f *File) WriteAt(b []byte, off int64) (n int, err error) {

			return err
		}
		if cmd.Cmd == LC_UUID {
			var u uuidCmd
			if err := reader.ReadAt(0, &u); err != nil {
				return err
			}
			copy(u.Uuid[:], uuidFromGoBuildId(*flagBuildid))
			if err := reader.WriteAt(0, &u); err != nil {
				return err
			}
			break
		}
	}

	// We're done
	return nil

			wg.Add(1)
			go func(wg *sync.WaitGroup, tmpfile *os.File, value byte, off, at int64, step int) {
				defer wg.Done()

				w := NewOffsetWriter(tmpfile, off)
				n, e := w.WriteAt([]byte{value}, at+int64(step))
				if e != nil {
					t.Errorf("WriteAt failed. off: %d, at: %d, step: %d\n error: %v", off, at, step, e)
				}
				atomic.AddInt64(&writeN, int64(n))
			}(&wg, tmpfile, value, off, at, step)
		}
		wg.Wait()

}


suspend fun <T : MutableCollection<Any?>> ReadContext.readCollectionInto(factory: (Int) -> T): T =
    readCollectionInto(factory) { read() }


suspend fun WriteContext.writeMap(value: Map<*, *>) {
    writeSmallInt(value.size)
    writeMapEntries(value)
}


suspend fun WriteContext.writeMapEntries(value: Map<*, *>) {
    for (entry in value.entries) {
        write(entry.key)