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

    Returns:
      FormatSpecification: format specification.
    """
    format_specification = specification.FormatSpecification(cls.NAME)
    format_specification.AddNewSignature(b'SCCA', offset=4)
    format_specification.AddNewSignature(b'MAM\x04', offset=0)
    return format_specification
Retrieves the format specification.

    Returns:
      FormatSpecification: format specification.