#ifndef _NTREGAPI_H
/**
* The KEY_INFORMATION_CLASS structure represents the type of information to supply about a registry key.
* \sa https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/wdm/ne-wdm-_key_information_class
*/
typedef enum _KEY_INFORMATION_CLASS
{
KeyBasicInformation, // KEY_BASIC_INFORMATION
KeyNodeInformation, // KEY_NODE_INFORMATION
KeyFullInformation, // KEY_FULL_INFORMATION
KeyNameInformation, // KEY_NAME_INFORMATION
KeyCachedInformation, // KEY_CACHED_INFORMATION
KeyFlagsInformation, // KEY_FLAGS_INFORMATION
KeyVirtualizationInformation, // KEY_VIRTUALIZATION_INFORMATION
KeyHandleTagsInformation, // KEY_HANDLE_TAGS_INFORMATION
KeyTrustInformation, // KEY_TRUST_INFORMATION
KeyLayerInformation, // KEY_LAYER_INFORMATION
MaxKeyInfoClass
} KEY_INFORMATION_CLASS;
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This enumeration is documented in Windows Driver Kit.