def GetFormatSpecification(self):
    format_specification = specification.FormatSpecification(
        self.type_indicator)

    # VMDK descriptor file signature.
    format_specification.AddNewSignature(b'# Disk DescriptorFile', offset=0)

    # VMDK sparse extent file signature.
    format_specification.AddNewSignature(b'KDMV', offset=0)

    # COWD sparse extent file signature.
    format_specification.AddNewSignature(b'COWD', offset=0)

    return format_specification


# Register the analyzer helpers with the analyzer.
Calculates and returns intital stats for `life`.
dataset/ETHPy150Open log2timeline/dfvfs/dfvfs/analyzer/vmdk_analyzer_helper.py/VMDKAnalyzerHelper.GetFormatSpecification--crossover with--dataset/ETHPy150Open flags/Reactor-3/life.py/calculate_base_stats