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.
func objectPartIndexNums(parts []int, partNumber int) int {
	for i, part := range parts {
		if part != 0 && partNumber == part {
			return i
		}
	}
	return -1
}

		if errors.Is(err, errFileNotFound) {
			return result, nil
		}
		return result, toObjectErr(err, bucket, object, uploadID)
	}

	if len(partNums) == 0 {
		return result, nil
	}

	start := objectPartIndexNums(partNums, partNumberMarker)
	if partNumberMarker > 0 && start == -1 {
		// Marker not present among what is present on the
		// server, we return an empty list.
		return result, nil
	}