import { Component } from '../component';
import { CalendarDateOrTime } from '../date';
export declare const knownOffsetTypes: string[];
export type OffsetType = (typeof knownOffsetTypes)[number];
type Digit = '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9';
export type Offset = `${'-' | '+'}${Digit}${Digit}${Digit}${Digit}`;
/**
 * Represents a STANDARD or DAYLIGHT subcomponent, defining a time zone offset.
 */
export declare class TimeZoneOffset extends Component {
    /**
     * @param type If this is a STANDARD or DAYLIGHT component.
     * @param start From when this offset is active.
     * @param offsetFrom The offset that is in use prior to this time zone observance.
     * @param offsetTo The offset that is in use during this time zone observance.
     */
    constructor(type: OffsetType, start: CalendarDateOrTime | Date, offsetFrom: Offset, offsetTo: Offset);
    constructor(component: Component);
    validate(): void;
    /**
     * Get the date or time when this time zone offset starts.
     * @returns The start date or time of this time zone offset.
     */
    getStart(): CalendarDateOrTime;
    /**
     * Set the date or time when this time zone offset starts.
     * @param value The start date or time.
     * @returns The TimeZoneOffset instance for chaining.
     */
    setStart(value: CalendarDateOrTime | Date): this;
    /**
     * Get the offset which is offset from during this time zone offset.
     * @returns The offset in a format such as "+0100" or "-0230".
     */
    getOffsetFrom(): Offset;
    /**
     * Set the offset to offset from during this time zone offset.
     * @param value An offset such as "+0100" or "-0230".
     * @returns The TimeZoneOffset instance for chaining.
     */
    setOffsetFrom(value: Offset): this;
    /**
     * Get the offset which is offset to during this time zone offset.
     * @returns The offset in a format such as "+0100" or "-0230".
     */
    getOffsetTo(): Offset;
    /**
     * Set the offset to offset to during this time zone offset.
     * @param value An offset such as "+0100" or "-0230".
     * @returns The TimeZoneOffset instance for chaining.
     */
    setOffsetTo(value: Offset): this;
    getComment(): string | undefined;
    setComment(value: string): this;
    removeComment(): void;
    /**
     * Get the name of this time zone offset.
     * @returns The time zone offset name if it exists.
     */
    getTimeZoneName(): string | undefined;
    /**
     * Set the name of this time zone offset.
     * @param value The new name.
     * @returns The TimeZoneOffset instance for chaining.
     * @example
     * timeZoneOffset.setTimeZoneName('EST')
     */
    setTimeZoneName(value: string): this;
    /**
     * Remove the name of this time zone offset.
     */
    removeTimeZoneName(): void;
}
export {};
//# sourceMappingURL=TimeZoneOffset.d.ts.map