/** ENTSO-E EIC area codes for European bidding zones */
export declare const ZONE_CODES: Record<string, string>;
/** Resolve a zone string to an EIC code. Accepts both "DE" and raw EIC codes. */
export declare function resolveZone(zone: string): string;
/** Resolve zone for price queries (uses bidding zone overrides) */
export declare function resolvePriceZone(zone: string): string;
/** All available zone keys for tool descriptions */
export declare const AVAILABLE_ZONES: string;
/** Neighbouring zones for net position calculation (cross-border flow pairs) */
export declare const ZONE_NEIGHBOURS: Record<string, string[]>;
/** Approximate bounding boxes [lat_min, lon_min, lat_max, lon_max] for Overpass API queries */
export declare const COUNTRY_BBOXES: Record<string, [number, number, number, number]>;