import type { DataRecord, TransformArg } from '../types.js';
export declare function geoCentroid({ data, ...options }: TransformArg<DataRecord>): {
    x: (d: any) => any;
    y: (d: any) => any;
    data: {
        __centroid__: [number, number];
        ___orig___?: import("../types.js").RawValue | [import("../types.js").RawValue, import("../types.js").RawValue];
    }[];
};