import { GeometryCollection } from '@geoda/common';
/**
 * Result of spatial validation.
 */
export type SpatialValidationResult = {
    spatiallyConstrained: boolean;
    fragmentation: {
        n: number;
        entropy: number;
        simpson: number;
        minClusterSize: number;
        maxClusterSize: number;
        meanClusterSize: number;
        spatiallyContiguous: boolean;
    };
    clusterFragmentation: {
        n: number;
        entropy: number;
        simpson: number;
        minClusterSize: number;
        maxClusterSize: number;
        meanClusterSize: number;
        spatiallyContiguous: boolean;
    }[];
    clusterDiameter: {
        steps: number;
        ratio: number;
    }[];
    clusterCompactness: {
        area: number;
        perimeter: number;
        isoperimeterQuotient: number;
    }[];
    joincountRatio: {
        cluster: number;
        n: number;
        ratio: number;
    }[];
};
/**
 * Computes spatial validation metrics for a clustering result.
 */
export declare function spatialValidation({ clusters, geometries, neighbors, }: {
    /** cluster id per observation */
    clusters: number[];
    /** geometry collection (use @geoda/core to build it) */
    geometries: GeometryCollection;
    /** spatial weights matrix as adjacency list */
    neighbors: number[][];
}): Promise<SpatialValidationResult>;