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//0x18 bytes (sizeof)
struct _SEP_CACHED_HANDLES_ENTRY_DESCRIPTOR
{
    enum _SEP_CACHED_HANDLES_ENTRY_TYPE DescriptorType;                     //0x0
    union
    {
        VOID* PackageSid;                                                   //0x8
        struct _UNICODE_STRING IsolationPrefix;                             //0x8
    };
};