/**
 *
 *  Copyright (c) "Neo4j"
 *  Neo4j Sweden AB [http://neo4j.com]
 *
 *  This file is part of Neo4j.
 *
 *  Neo4j is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
export interface TimeZoneOption {
    value: string;
    label: string;
    offset: string;
    offsetMinutes: number;
}
/**
 * Generates UTC-only timezone options derived from the Intl API
 * Uses the Intl API to discover which UTC offsets are actually used by supported timezones
 * @param referenceDate - The date to use for calculating timezone offsets (defaults to current date)
 */
export declare const generateUTCTimeZoneOptions: (referenceDate?: Date) => TimeZoneOption[];
/**
 * Generates a list of common timezone options with their UTC offsets
 * @param referenceDate - The date to use for calculating timezone offsets (defaults to current date)
 * @param excludeUTC - Whether to exclude the UTC timezone from the list (useful when combining with UTC-only options)
 */
export declare const generateTimeZoneOptions: (referenceDate?: Date, excludeUTC?: boolean) => TimeZoneOption[];
/**
 * Gets the user's current timezone
 */
export declare const getUserTimeZone: () => string;
/**
 * Parses a custom UTC offset string (e.g., "UTC+5:30", "UTC-3:45")
 * @param input - The input string to parse
 * @returns The parsed timezone value or null if invalid
 */
export declare const parseCustomUTCOffset: (input: string) => string | null;
/**
 * Validates if a string is a valid UTC timezone format
 * @param input - The input string to validate
 * @returns True if valid UTC timezone format
 */
export declare const isValidUTCFormat: (input: string) => boolean;
/**
 * Formats a timezone for display
 * @param timezone - The IANA timezone identifier or UTC offset
 * @param referenceDate - The date to use for calculating the offset (defaults to current date)
 */
export declare const formatTimeZone: (timezone: string, referenceDate?: Date) => string;
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