/**
 * Represents an IANA timezone name (e.g., 'America/New_York')
 */
type IANATimezoneName = string;
/**
 * Represents a timezone abbreviation (e.g., 'EST', 'JST')
 */
type TimezoneAbbreviation = string;
/**
 * Represents a UTC offset string (e.g., '-05:00', '+09:00')
 */
type UTCOffset = string;
/**
 * Represents a timezone region (e.g., 'America', 'Asia', 'Europe')
 */
type TimezoneRegion = string;
/**
 * Represents a complete timezone entry with metadata
 */
interface Timezone {
    /** The IANA timezone name (e.g., 'America/New_York') */
    name: IANATimezoneName;
    /** The standard UTC offset (e.g., '-05:00') */
    standardUtcOffset: UTCOffset;
    /** The standard time abbreviation (e.g., 'EST') */
    standardAbbreviation: TimezoneAbbreviation;
    /** The region derived from the IANA name (e.g., 'America') */
    region: TimezoneRegion;
}
/**
 * Represents the current timezone details including DST information
 */
interface CurrentTimezoneDetails {
    /** The current UTC offset including DST if applicable */
    currentUtcOffset: UTCOffset;
    /** The current timezone abbreviation including DST if applicable */
    currentAbbreviation: TimezoneAbbreviation;
}

/**
 * The complete list of timezones with their metadata.
 * This is a readonly array to prevent accidental modifications.
 */
declare const timezones: Readonly<Timezone[]>;
/**
 * Gets a timezone by its IANA name.
 * @param name - The IANA timezone name to look up
 * @returns The timezone object if found, undefined otherwise
 */
declare function getTimezoneByName(name: IANATimezoneName | string): Timezone | undefined;
/**
 * Gets all timezones in a specific region.
 * @param region - The region to filter by (case-insensitive)
 * @returns Array of timezones in the specified region
 */
declare function getTimezonesByRegion(region: TimezoneRegion | string): Timezone[];
/**
 * Gets the standard UTC offset for a timezone.
 * @param name - The IANA timezone name
 * @returns The standard UTC offset if found, undefined otherwise
 */
declare function getStandardUtcOffset(name: IANATimezoneName | string): UTCOffset | undefined;
/**
 * Checks if a string is a valid IANA timezone name.
 * @param name - The string to check
 * @returns true if the string is a valid IANA timezone name
 */
declare function isValidTimezoneName(name: string): boolean;
/**
 * Gets the current timezone details including DST information.
 * @param name - The IANA timezone name
 * @returns Promise resolving to current timezone details or undefined if not found
 */
declare function getCurrentTimezoneDetails(name: IANATimezoneName): Promise<CurrentTimezoneDetails | undefined>;

export { getCurrentTimezoneDetails, getStandardUtcOffset, getTimezoneByName, getTimezonesByRegion, isValidTimezoneName, timezones };