import { type HANDLE } from '../ctypes.js';
import { type SID, type LUID, type PRIVILEGE_SET } from '../structs.js';
import type { SID_NAME_USE, SE_NAME } from '../consts.js';
/**
 * Retrieves the name of the user associated with the current thread.
 *
 * https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-getusernamew
 */
export declare function GetUserName(): string | null;
/**
 * Retrieves a security identifier (SID) for the account and the name of the domain on which the account was found.
 *
 * https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-lookupaccountnamew
 */
export declare function LookupAccountName(systemName: string | null, accountName: string): LookupAccountNameResult | null;
export interface LookupAccountNameResult {
    sid: SID;
    referencedDomainName: string;
    use: SID_NAME_USE;
}
/**
 * Retrieves the name that corresponds to the privilege represented on a specific system by a specified locally unique identifier (LUID).
 *
 * https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-lookupprivilegenamew
 */
export declare function LookupPrivilegeName(systemName: string | null, luid: LUID): string | null;
/**
 * Retrieves the locally unique identifier (LUID) used on a specified system to locally represent the specified privilege name.
 *
 * https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-lookupprivilegevaluew
 */
export declare function LookupPrivilegeValue(systemName: string | null, name: SE_NAME): LUID | null;
/**
 * Determines whether a specified set of privileges are enabled in an access token.
 *
 * https://learn.microsoft.com/en-us/windows/win32/api/securitybaseapi/nf-securitybaseapi-privilegecheck
 */
export declare function PrivilegeCheck(clientToken: HANDLE, requiredPrivileges: PRIVILEGE_SET): boolean | null;