import type { InputBackend } from "./input-backends/interface.js";
import type { ScreenInfo } from "./types.js";
export declare class SystemBackend implements InputBackend {
    private platform;
    private screenSize;
    
    private activeScreen;
    
    private win32Api;
    
    constructor(platformOverride?: "windows" | "macos" | "linux");
    
    private static readonly WIN32_INIT_TYPES;
    private psProcess;
    private psReady;
    private psReadyPromise;
    private psBuffer;
    private cliclickProcess;
    private xdotoolProcess;
    
    startPersistentProcess(): void;
    
    private startPowerShellProcess;
    
    private ensurePowerShell;
    
    stopPersistentProcess(): void;
    
    private psCmd;
    
    moveMouse(x: number, y: number): Promise<void>;
    
    moveMouseRelative(dx: number, dy: number): Promise<void>;
    
    centerMouse(): Promise<void>;
    
    click(x: number, y: number, button: 'left' | 'right'): Promise<void>;
    
    doubleClick(x: number, y: number): Promise<void>;
    mouseDown(button: 'left' | 'right'): Promise<void>;
    mouseUp(button: 'left' | 'right'): Promise<void>;
    scroll(direction: 'up' | 'down' | 'left' | 'right', amount: number): Promise<void>;
    
    type(text: string): Promise<void>;
    keyPress(keys: string[]): Promise<void>;
    keyDown(key: string): Promise<void>;
    keyUp(key: string): Promise<void>;
    getScreenSize(): {
        width: number;
        height: number;
    };
    setScreenSize(width: number, height: number): void;
    
    setActiveScreen(screen: ScreenInfo): void;
    getMousePos(): Promise<{
        x: number;
        y: number;
    }>;
    
    isInputFocused(): boolean;
    
    private warnInputErr;
    
    private getVirtualKeyCode;
}