/**
 * Helper functions for regional detection
 */
import type { RegionInfo } from '@plyaz/types/api';
/**
 * Helper to check if a timezone is global/universal
 */
export declare function isGlobalTimezone(tz: string): boolean;
/**
 * Create a RegionInfo object from timezone match
 */
export declare function createTimezoneRegionInfo(match: {
    region: string;
    country?: string;
    state?: string;
}, confidence: number): RegionInfo;
/**
 * Find timezone prefix match
 */
export declare function findTimezonePrefixMatch(tz: string): RegionInfo | null;
/**
 * Detect region from timezone
 */
export declare function detectRegionFromTimezone(tz: string): RegionInfo | null;
/**
 * Detect region from locale
 */
export declare function detectRegionFromLocale(locale: string): RegionInfo | null;
/**
 * CDN header parsing result
 */
type CDNGeoData = {
    country?: string;
    region?: string;
    state?: string;
    city?: string;
    timezone?: string;
};
/**
 * Parse CDN headers for region detection
 */
export declare function parseCDNHeaders(headers: Record<string, string>): CDNGeoData;
/**
 * Detect region from CDN headers
 */
export declare function detectRegionFromCDNHeaders(headers: Record<string, unknown>): RegionInfo | null;
export declare function getRegionFromCoordinates(latitude: number, longitude: number): string;
export {};
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