declare module "@novnc/novnc/lib/rfb.js" {
  export interface RfbEvent {
    detail: {
      clean: boolean;
      reason: string;
      error: {
        message: string;
      };
      message: string;
    };
  }

  export interface RfbDisplay {
    autoscale(): void;
    _scale: number;
  }

  export interface RFBOptions {
    credentials?: { username?: string; password?: string };
    clipViewport?: boolean;
    scaleViewport?: boolean;
    shared?: boolean;
    resizeSession?: boolean;
    viewOnly?: boolean;
    [key: string]: unknown;
  }

  export default class RFB {
    _display: RfbDisplay;
    resizeSession: boolean;
    scaleViewport: boolean;
    constructor(target: HTMLElement, url: string, options?: RFBOptions);

    addEventListener(event: string, listener: (e: RfbEvent) => void): void;
    removeEventListener(event: string, listener: (e: RfbEvent) => void): void;
    disconnect(): void;
    viewportChange(): void;
  }
}