// objectPartIndex - returns the index of matching object part number.
// Returns -1 if the part cannot be found.
func objectPartIndex(parts []ObjectPartInfo, partNumber int) int {
	for i, part := range parts {
		if partNumber == part.Number {
			return i
		}
	}
	return -1
}

// objectPartIndexNums returns the index of the specified part number.
// Returns -1 if the part cannot be found.

  /**
   * Helper method for {@link #validateSyntax(List)}. Validates that one part of a domain name is
   * valid.
   *
   * @param part The domain name part to be validated
   * @param isFinalPart Is this the final (rightmost) domain part?
   * @return Whether the part is valid
   */
  private static boolean validatePart(String part, boolean isFinalPart) {

// multipart API. Instead, S3 first computes a MD5 of each part:
//
//	 e1 := MD5(part-1)
//	 e2 := MD5(part-2)
//	...
//	 eN := MD5(part-N)
//
// Then, the ETag of the object is computed as MD5 of all individual
// part checksums. S3 also encodes the number of parts into the ETag
// by appending a -<number-of-parts> at the end:
//
//	ETag := MD5(e1 || e2 || e3 ... || eN) || -N
//
//	For example: ceb8853ddc5086cc4ab9e149f8f09c88-5
//

        // Verify customData part
        byte[] actualCustomData = new byte[8];
        System.arraycopy(value, 8, actualCustomData, 0, 8);
        assertArrayEquals(customData, actualCustomData);

        // Verify machineId part
        byte[] actualMachineId = new byte[32];
        System.arraycopy(value, 16, actualMachineId, 0, 32);

// if part > 0, and we have the checksum for the part that will be returned.
// Returns whether the checksum (main part 0) is a multipart checksum.
func (o *ObjectInfo) decryptChecksums(part int, h http.Header) (cs map[string]string, isMP bool) {
	data := o.Checksum
	if len(data) == 0 {
		return nil, false
	}
	if part > 0 && !crypto.SSEC.IsEncrypted(o.UserDefined) {

}

// PartInfo - represents individual part metadata.
type PartInfo struct {
	// Part number that identifies the part. This is a positive integer between
	// 1 and 10,000.
	PartNumber int

	// Date and time at which the part was uploaded.
	LastModified time.Time

	// Entity tag returned when the part was initially uploaded.
	ETag string

	// Size in bytes of the part.
	Size int64

		}
	}
}

// Tests maximum allowed part number.
func TestMaxPartID(t *testing.T) {
	sizes := []struct {
		isMax bool
		partN int
	}{
		// Test - 1 part number within max part number.
		{
			false,
			globalMaxPartID - 1,
		},
		// Test - 2 part number bigger than max part number.
		{
			true,
			globalMaxPartID + 1,
		},
	}

        this.newReading = newReading;
    }

    /**
     * Returns the new part of speech.
     *
     * @return The new part of speech.
     */
    public String getNewPos() {
        return newPos;
    }

    /**
     * Sets the new part of speech.
     *
     * @param newPos The new part of speech.
     */
    public void setNewPos(final String newPos) {
        this.newPos = newPos;

		Recursive: false,
		Immediate: false,
	})
	if err != nil {
		t.Errorf("Failure during deleting part.1 - %v", err)
	}

	err = firstDisk.WriteAll(t.Context(), bucket, pathJoin(object, fi.DataDir, "part.1"), []byte{})
	if err != nil {
		t.Errorf("Failure during creating part.1 - %v", err)
	}

	ModTime    time.Time         `json:"modTime" msg:"mt"`    // Date and time at which the part was uploaded.
	Index      []byte            `json:"index,omitempty" msg:"i,omitempty"`
	Checksums  map[string]string `json:"crc,omitempty" msg:"crc,omitempty"`   // Content Checksums
	Error      string            `json:"error,omitempty" msg:"err,omitempty"` // only set while reading part meta from drive.
}