import { type HRESULT } from './ctypes.js';
import type { COINIT_ } from './consts.js';
/**
 * Initializes the COM library for use by the calling thread, sets the thread's concurrency model,
 * and creates a new apartment for the thread if one is required.
 *
 * https://learn.microsoft.com/en-us/windows/win32/api/combaseapi/nf-combaseapi-coinitializeex
 */
export declare function CoInitializeEx(coInit: COINIT_): HRESULT;