import { z } from "zod";
import { type GisSourceMetadata } from "../lib/gis-sources.js";
export declare const gridProximitySchema: z.ZodObject<{
    lat: z.ZodNumber;
    lon: z.ZodNumber;
    radius_km: z.ZodOptional<z.ZodNumber>;
    voltage_min_kv: z.ZodOptional<z.ZodNumber>;
}, z.core.$strip>;
interface Substation {
    name: string | null;
    voltage_kv: number | null;
    operator: string | null;
    distance_km: number;
    lat: number;
    lon: number;
}
interface Line {
    voltage_kv: number;
    operator: string | null;
    distance_km: number;
    cables: number | null;
}
interface GridProximitySummary {
    nearest_substation_km: number | null;
    nearest_line_km: number | null;
    max_nearby_voltage_kv: number | null;
}
interface GridProximityResult {
    lat: number;
    lon: number;
    radius_km: number;
    substations: Substation[];
    lines: Line[];
    summary: GridProximitySummary;
    source_metadata: GisSourceMetadata;
}
export declare function getGridProximity(params: z.infer<typeof gridProximitySchema>): Promise<GridProximityResult>;
export {};