import { IRect } from './@types';
/**
 * Retrieves the client area dimensions of a window.
 *
 * @param windowHandle The handle of the window to access.
 *
 * @returns An {@linkcode IRect} object containing the width and height of the client area.
 *
 * @example
 * ```typescript
 * import { WinGetClientSizeByHandleSync, WinGetHandleSync } from '@ahmic/autoit-js';
 *
 * const windowHandle = WinGetHandleSync('Untitled - Notepad');
 * const clientSize = WinGetClientSizeByHandleSync(windowHandle);
 *
 * console.log(clientSize); // Output: { width: 800, height: 600 }
 * ```
 *
 * @see https://www.autoitscript.com/autoit3/docs/functions/WinGetClientSize.htm
 */
export declare function WinGetClientSizeByHandleSync(windowHandle: bigint): IRect;
/**
 * Retrieves the client area dimensions of a window.
 *
 * @param windowHandle The handle of the window to access.
 *
 * @returns A promise that resolves to an {@linkcode IRect} object containing the width and height of the
 * client area.
 *
 * @example
 * ```typescript
 * import { WinGetClientSizeByHandle, WinGetHandle } from '@ahmic/autoit-js';
 *
 * const windowHandle = await WinGetHandle('Untitled - Notepad');
 * const clientSize = await WinGetClientSizeByHandle(windowHandle);
 *
 * console.log(clientSize); // Output: { width: 800, height: 600 }
 * ```
 *
 * @see https://www.autoitscript.com/autoit3/docs/functions/WinGetClientSize.htm
 */
export declare function WinGetClientSizeByHandle(windowHandle: bigint): Promise<IRect>;