_RTL_SPARSE_ARRAY

Metadatacopy
struct _RTL_SPARSE_ARRAY {
    unsigned __int64 ElementCount;/* 0x0  8 */
    unsigned long ElementSizeShift;/* 0x8  4 */
    /* 4 bytes padding */
    struct _RTL_CSPARSE_BITMAP Bitmap;/* 0x10  64 */
};