import * as d from './declarations';
export declare class GamepadEventEmitter {
    private rafId;
    private plugins;
    private enabledPlugins;
    private connected;
    private context;
    constructor(opts?: {
        plugins?: d.Plugin[];
    });
    unsubscribe(): void;
    private getGamepadContext;
    private onGamepadConnected;
    private onGamepadDisconnected;
    private setEnabledPlugins;
    freeze: (gamepad: Gamepad) => Readonly<{
        buttons: {
            pressed: boolean;
            touched: boolean;
            value: number;
        }[];
        axes: number[];
        connected: boolean;
        displayId: number;
        hand: GamepadHand;
        hapticActuators: GamepadHapticActuator[];
        id: string;
        index: number;
        mapping: GamepadMappingType;
        pose: GamepadPose;
        timestamp: number;
    }>;
    diff: (previous: any, transformed: any) => {
        buttons: d.GamepadButtonTransform[];
        axes: d.GamepadAxisTransform[];
    };
    private previous;
    private handleGamepadState;
    private run;
}