type Size = {
    width: number;
    height: number;
};
type Position = {
    x: number;
    y: number;
};
type Event = {
    timeout: TimeoutTag;
} | {
    key: PagurusKeyEvent;
} | {
    mouse: PagurusMouseEvent;
} | {
    windowResized: Size;
};
type TimeoutTag = number;
type PagurusKeyEvent = {
    key: Key;
    ctrl: boolean;
    alt: boolean;
};
type PagurusMouseEvent = {
    move: {
        position: Position;
    };
} | {
    down: {
        position: Position;
    };
} | {
    up: {
        position: Position;
    };
};
type Key = {
    char: string;
} | "left" | "right" | "down" | "up" | "return" | "backspace" | "delete" | "shift" | "ctrl" | "alt" | "tab" | "backTab" | "esc";
interface SystemOptions {
    canvas?: HTMLCanvasElement;
    propagateControlKey?: boolean;
    disableTouchEvents?: boolean;
    disableMouseEvents?: boolean;
    disableKeyEvents?: boolean;
}
declare class System {
    private wasmMemory;
    private canvas?;
    private audioContext?;
    private audioInputNode?;
    private audioSampleRate?;
    private startTime;
    private eventQueue;
    private resolveNextEvent?;
    private propagateControlKey;
    static create(wasmMemory: WebAssembly.Memory, options?: SystemOptions): System;
    private constructor();
    nextEvent(): Promise<Event>;
    private preventKeyEventDefaultIfNeed;
    private handleKeyup;
    private touchPosition;
    private handleTouchmove;
    private handleTouchstart;
    private handleTouchend;
    private handleMousemove;
    private handleMousedown;
    private handleMouseup;
    private enqueueEvent;
    requestRedraw(): void;
    videoInit(width: number, _height: number, pixelFormatPtr: number, stridePtr: number): void;
    videoDraw(videoFrameOffset: number, videoFrameLen: number, width: number, stride: number, format: number): void;
    audioInit(sampleRate: number, _dataSamples: number, sampleFormatPtr: number): void;
    audioEnqueue(audioDataOffset: number, audioDataLen: number): void;
    consoleLog(messageOffset: number, messageLen: number): void;
    clockGameTime(): number;
    clockUnixTime(): number;
    clockSetTimeout(tag: TimeoutTag, timeout: number): void;
    private getWasmString;
}
declare class Game {
    private wasmInstance;
    private gameInstance;
    private systemRef;
    readonly memory: WebAssembly.Memory;
    private constructor();
    static load(gameWasmPath: string): Promise<Game>;
    initialize(system: System): void;
    handleEvent(system: System, event: Event): boolean;
    query(system: System, name: string): Uint8Array;
    command(system: System, name: string, data: Uint8Array): void;
    private createWasmBytes;
    private getWasmString;
    private getWasmBytes;
}
export { System, Game };