}

    /**
     * Sets the number of records to display per page.
     *
     * @param pageSize the page size
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**
     * Gets the current page number being displayed.
     * If the current page number is not set or is invalid, returns the default page number.
     *
     * @return the current page number

    }

    /**
     * Gets the starting record number for the current page.
     *
     * @return The starting record number
     */
    public long getCurrentStartRecordNumber() {
        return currentStartRecordNumber;
    }

    /**
     * Gets the ending record number for the current page.
     *
     * @return The ending record number
     */
    public long getCurrentEndRecordNumber() {

    Optional<Integer> optionalInt = getSomeOptionalInt();
    // Number value = optionalInt.or(0.5); // error
  }

  @SuppressWarnings("unused") // compilation test
  public void testSampleCodeError2() {
    FluentIterable<? extends Number> numbers = getSomeNumbers();
    Optional<? extends Number> first = numbers.first();
    // Number value = first.or(0.5); // error
  }

  @SuppressWarnings("unused") // compilation test

     */
    public void setCurrentPageNumber(final int currentPageNumber) {
        this.currentPageNumber = currentPageNumber;
    }

    /**
     * Gets the list of page numbers for pagination navigation.
     *
     * @return The page number list
     */
    public List<Integer> getPageNumberList() {
        return pageNumberList;
    }

    /**

     */
    public long getCurrentEndRecordNumber() {
        return currentEndRecordNumber;
    }

    /**
     * Gets a list of page numbers for pagination display.
     * Typically returns a range of page numbers around the current page.
     *
     * @return a list of page numbers as strings
     */
    public List<String> getPageNumberList() {
        return pageNumberList;
    }

		// updated.
		return nil
	}

	argVal := val
	if funcName != aggFnCount {
		// All aggregation functions, except COUNT require a
		// numeric argument.

		// Here, we diverge from Amazon S3 behavior by
		// inferring untyped values are numbers.
		if !argVal.isNumeric() {
			if i, ok := argVal.bytesToInt(); ok {
				argVal.setInt(i)
			} else if f, ok := argVal.bytesToFloat(); ok {

     *
     * @param version the numeric version value
     */
    WitnessVersion(int version) {
        this.version = version;
    }

    /**
     * Gets the numeric version value.
     *
     * @return the version value
     */
    public int getValue() {
        return version;
    }

    /**
     * Gets the major version number.
     *
     * @return the major version
     */

// The len built-in function returns the length of v, according to its type:
//
//   - Array: the number of elements in v.
//   - Pointer to array: the number of elements in *v (even if v is nil).
//   - Slice, or map: the number of elements in v; if v is nil, len(v) is zero.
//   - String: the number of bytes in v.
//   - Channel: the number of elements queued (unread) in the channel buffer;
//     if v is nil, len(v) is zero.
//

/**
 * Utility class for conversions related to {@link Number}.
 *
 * @author higa
 */
public abstract class NumberConversionUtil {

    /**
     * Do not instantiate.
     */
    protected NumberConversionUtil() {
    }

    /**
     * Converts to the appropriate {@link Number}.
     *
     * @param type
     *            Target type
     * @param o

   * Optional<Number>} (where {@code Number} is the desired output type) solves the problem:
   *
   * {@snippet :
   * Optional<Number> optionalInt = (Optional) getSomeOptionalInt();
   * Number value = optionalInt.or(0.5); // fine
   *
   * FluentIterable<? extends Number> numbers = getSomeNumbers();
   * Optional<Number> first = (Optional) numbers.first();
   * Number value = first.or(0.5); // fine
   * }