/**
 * InputManager.ts
 *
 * Unified input polling: keyboard, mouse, gamepad state tracking,
 * action mapping, axis dead zones, and input buffering.
 *
 * @module input
 */
export type InputDeviceType = 'keyboard' | 'mouse' | 'gamepad';
export interface KeyState {
    pressed: boolean;
    justPressed: boolean;
    justReleased: boolean;
    heldDuration: number;
}
export interface MouseState {
    x: number;
    y: number;
    deltaX: number;
    deltaY: number;
    scrollDelta: number;
    buttons: Map<number, KeyState>;
}
export interface GamepadAxis {
    value: number;
    deadZone: number;
}
export interface GamepadState {
    connected: boolean;
    id: string;
    buttons: Map<number, KeyState>;
    axes: GamepadAxis[];
}
export interface InputAction {
    name: string;
    value: number;
    pressed: boolean;
    justPressed: boolean;
    justReleased: boolean;
}
export interface InputSnapshot {
    timestamp: number;
    keys: Map<string, KeyState>;
    mouse: MouseState;
    gamepads: Map<number, GamepadState>;
    actions: Map<string, InputAction>;
}
export declare class InputManager {
    private keys;
    private prevKeys;
    private mouse;
    private gamepads;
    private actionMappings;
    private actions;
    private defaultDeadZone;
    private inputBuffer;
    private bufferDuration;
    constructor();
    keyDown(key: string): void;
    keyUp(key: string): void;
    isKeyPressed(key: string): boolean;
    isKeyJustPressed(key: string): boolean;
    isKeyJustReleased(key: string): boolean;
    getKeyHeldDuration(key: string): number;
    setMousePosition(x: number, y: number): void;
    mouseButtonDown(button: number): void;
    mouseButtonUp(button: number): void;
    setScrollDelta(delta: number): void;
    getMousePosition(): {
        x: number;
        y: number;
    };
    getMouseDelta(): {
        x: number;
        y: number;
    };
    isMouseButtonPressed(button: number): boolean;
    connectGamepad(index: number, id: string, axisCount?: number): void;
    disconnectGamepad(index: number): void;
    setGamepadAxis(padIndex: number, axisIndex: number, value: number): void;
    getGamepadAxis(padIndex: number, axisIndex: number): number;
    gamepadButtonDown(padIndex: number, button: number): void;
    setDeadZone(value: number): void;
    mapAction(actionName: string, keys: string[]): void;
    unmapAction(actionName: string): void;
    getAction(actionName: string): InputAction | undefined;
    isActionPressed(actionName: string): boolean;
    isActionJustPressed(actionName: string): boolean;
    getBufferedAction(actionName: string, withinMs?: number): boolean;
    setBufferDuration(ms: number): void;
    update(dt: number): void;
    getSnapshot(): InputSnapshot;
    reset(): void;
}
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