import { z } from "zod";
export declare const transmissionSchema: z.ZodObject<{
    country: z.ZodOptional<z.ZodString>;
    lat_min: z.ZodOptional<z.ZodNumber>;
    lon_min: z.ZodOptional<z.ZodNumber>;
    lat_max: z.ZodOptional<z.ZodNumber>;
    lon_max: z.ZodOptional<z.ZodNumber>;
    min_voltage_kv: z.ZodOptional<z.ZodNumber>;
    limit: z.ZodOptional<z.ZodNumber>;
}, z.core.$strip>;
interface TransmissionLine {
    id: number;
    voltage_kv: number;
    operator: string | null;
    cables: number | null;
    coordinates: Array<{
        lat: number;
        lon: number;
    }>;
}
type Bbox = [number, number, number, number];
/** Split a bbox into smaller tiles of approximately TILE_SIZE_DEG x TILE_SIZE_DEG. */
export declare function generateTiles(bbox: Bbox): Bbox[];
export declare function getTransmissionLines(params: z.infer<typeof transmissionSchema>): Promise<{
    bbox: Bbox;
    line_count: number;
    lines: TransmissionLine[];
}>;
export {};