export type Point = [number, number];
export interface MagneticOutlineOpts {
    edgeFeatureCannyLo?: number;
    edgeFeatureCannyHi?: number;
    gradientMagnitudeMaxLimit?: number;
    polygonSimplifyTolerance?: number;
}
export interface KeypointIndex {
    listAll(): Point[];
    neighbors(x: number, y: number, maxResults?: number, maxDistance?: number): Point[];
}