Metadatacopystruct _BOOT_LAYER_INFORMATION { enum _BOOT_LAYER_TYPE LayerType;/* 0x0 4 */ union { unsigned long Flags;/* 0x4 4 */ unsigned long IsRootLayer : 1;/* 0x4:0 4 */ };/* 0x4 4 */ union { struct _BLOCK_IO_LAYER_INFORMATION BlockIo;/* 0x8 8 */ struct _CIMFS_LAYER_INFORMATION Cimfs;/* 0x8 48 */ struct _COMPOSITEFS_LAYER_INFORMATION Composite;/* 0x8 48 */ struct _VSMB_LAYER_INFORMATION Vsmb;/* 0x8 4 */ struct _VHD_LAYER_INFORMATION Vhd;/* 0x8 24 */ struct _RAMDISK_LAYER_INFORMATION Ramdisk;/* 0x8 24 */ } u;/* 0x8 48 */};