/**
 * Calculate simplification data using optimized Douglas-Peucker algorithm
 *
 * @param coords contiguous list of coordinates
 * @param first first coord to simplify
 * @param last last coord to simplify
 * @param sqTolerance tolerance (square distance)
 */
export declare function simplifyPath(coords: number[], first: number, last: number, sqTolerance: number): void;
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