export declare const MRBD_VIEWPORT_SIZE: {
    readonly width: 600;
    readonly height: 600;
};
export declare const MRBD_SAFE_MARGIN = 8;
export declare const MRBD_MIN_TARGET_SIZE = 88;
export declare const DPAD: {
    readonly UP: "ArrowUp";
    readonly DOWN: "ArrowDown";
    readonly LEFT: "ArrowLeft";
    readonly RIGHT: "ArrowRight";
    readonly SELECT: "Enter";
    readonly BACK: "Escape";
};
export type DpadKey = (typeof DPAD)[keyof typeof DPAD];
export declare function isDpadKey(key: string): key is DpadKey;
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