def GetFormatSpecification(cls):
    """Retrieves the format specification.

    Returns:
      FormatSpecification: format specification.
    """
    format_specification = specification.FormatSpecification(cls.NAME)

    # OLECF
    format_specification.AddNewSignature(
        b'\xd0\xcf\x11\xe0\xa1\xb1\x1a\xe1', offset=0)

    # OLECF beta
    format_specification.AddNewSignature(
        b'\x0e\x11\xfc\x0d\xd0\xcf\x11\x0e', offset=0)

    return format_specification
Retrieves the format specification.

    Returns:
      FormatSpecification: format specification.