import type { ReadonlyVec } from "@thi.ng/vectors";
/**
 * Polygon convexity classifier.
 */
export declare enum Convexity {
    ILLEGAL = -1,
    COLINEAR = 0,
    CONVEX = 1,
    CONCAVE = 2
}
export declare const convexity: (pts: ReadonlyVec[], eps?: number) => Convexity;
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