/**
 * CameraConstraints.ts
 *
 * Camera constraints: bounds clamping, dead zones,
 * soft limits, follow smoothing, and look-ahead.
 *
 * @module camera
 */
export interface Bounds {
    minX: number;
    maxX: number;
    minY: number;
    maxY: number;
}
export interface DeadZone {
    width: number;
    height: number;
}
export interface SoftLimit {
    distance: number;
    stiffness: number;
}
export declare class CameraConstraints {
    private bounds;
    private deadZone;
    private softLimit;
    private smoothing;
    private lookAheadDistance;
    private currentX;
    private currentY;
    setBounds(bounds: Bounds): void;
    setDeadZone(dz: DeadZone): void;
    setSoftLimit(sl: SoftLimit): void;
    setSmoothing(factor: number): void;
    setLookAhead(distance: number): void;
    follow(targetX: number, targetY: number, velocityX?: number, velocityY?: number): {
        x: number;
        y: number;
    };
    private applySoftLimit;
    getPosition(): {
        x: number;
        y: number;
    };
    setPosition(x: number, y: number): void;
}
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