versions of CoreStorage and of CoreStorageFsck kexts

bash-3.2$ date
Sat 18 Feb 2012 13:43:12 GMT
bash-3.2$ sw_vers
ProductName:	Mac OS X
ProductVersion:	10.7.3
BuildVersion:	11D50
bash-3.2$ defaults read /System/Library/Extensions/CoreStorage.kext/Contents/version
{
    BuildVersion = 20;
    CFBundleShortVersionString = "182.10";
    CFBundleVersion = "182.10";
    ProjectName = CoreStorage;
    SourceVersion = 182010000000000;
}
bash-3.2$ defaults read /System/Library/Extensions/CoreStorage.kext/Contents/PlugIns/CoreStorageFsck.kext/Contents/version
{
    BuildVersion = 20;
    CFBundleShortVersionString = "182.10";
    CFBundleVersion = "182.10";
    ProjectName = CoreStorage;
    SourceVersion = 182010000000000;
}
bash-3.2$ defaults read /System/Library/Extensions/CoreStorage.kext/Contents/Resources/CoreStorage.st/Contents/Info
{
    BuildMachineOSBuild = 11D17a;
    CFBundleDevelopmentRegion = English;
    CFBundleGetInfoString = "CoreStorage 1.0, Copyright \\U00a9 2010 Apple Inc.";
    CFBundleIdentifier = "com.apple.filesystems.st.CoreStorage";
    CFBundleInfoDictionaryVersion = "1.0";
    CFBundleName = CoreStorage;
    CFBundlePackageType = "fs  ";
    CFBundleShortVersionString = "182.10";
    CFBundleSignature = "????";
    CFBundleVersion = "182.10";
    DTCompiler = "";
    DTPlatformBuild = 11D17a;
    DTPlatformVersion = GM;
    DTSDKBuild = 11D17a;
    DTSDKName = "";
    DTXcode = 0410;
    DTXcodeBuild = 11D17a;
    STMediaTypes =     {
        CoreStorage =         (
                        {
                "Content Hint" = "53746F72-6167-11AA-AA11-00306543ECAC";
            }
        );
    };
    STPersonalities =     {
        CoreStorage =         {
            STName = "Apple Core Storage";
            STRepairArguments = "-y -x";
            STRepairExecutable = "../../../../../../../../sbin/fsck_cs";
            STVerificationArguments = "-n -x";
            STVerificationExecutable = "../../../../../../../../sbin/fsck_cs";
        };
    };
}
bash-3.2$ man fsck_cs