/**
 * This function is the heart of the smoothing logic.
 * Instead of connecting points with straight lines (which would look jagged), we use a Spline.
 * * How it works:
 * To calculate the curve between point P1 and P2, we also look at neighbors P0 and P3.
 * This gives us the correct "tangent" (slope) so the curve flows smoothly.
 * * Parameters:
 * @param p0 - The point before the current segment
 * @param p1 - The start of the current segment
 * @param p2 - The end of the current segment
 * @param p3 - The point after the current segment
 * @param t  - The progress between p1 and p2 (0.0 to 1.0)
 */
export declare const solveCatmullRom: (p0: number, p1: number, p2: number, p3: number, t: number) => number;
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