GamepadManagerInterface

getGamepad(gamepadIndex: number): void | GamepadInterface

updateGamepads(): void

on<Type extends keyof Events>(
    event: Type,
    callback: (args: Events[Type]) => void,
): this

once<Type extends keyof Events>(
    event: Type,
    callback: (args: Events[Type]) => void,
): this

off<Type extends keyof Events>(
    event: Type,
    callback: (args: Events[Type]) => void,
): this