/**
 * Copyright 2014-present Palantir Technologies
 * @license MIT
 */
import * as d3 from "d3";
import { QuantitativeScale } from "./quantitativeScale";
export declare class Time extends QuantitativeScale<Date> {
    private _d3Scale;
    /**
     * A Time Scale maps Date objects to numbers.
     *
     * @constructor
     */
    constructor();
    /**
     * Returns an array of ticks values separated by the specified interval.
     *
     * @param {string} interval A string specifying the interval unit.
     * @param {number?} [step] The number of multiples of the interval between consecutive ticks.
     * @return {Date[]}
     */
    tickInterval(interval: string, step?: number, useUTC?: boolean): Date[];
    protected _setDomain(values: Date[]): void;
    protected _defaultExtent(): Date[];
    protected _expandSingleValueDomain(singleValueDomain: Date[]): Date[];
    scale(value: Date): number;
    scaleTransformation(value: number): number;
    invertedTransformation(value: number): number;
    getTransformationExtent(): [number, number];
    getTransformationDomain(): [number, number];
    setTransformationDomain([domainMin, domainMax]: [number, number]): void;
    protected _getDomain(): Date[];
    protected _backingScaleDomain(): Date[];
    protected _backingScaleDomain(values: Date[]): this;
    protected _getRange(): number[];
    protected _setRange(values: number[]): void;
    invert(value: number): Date;
    defaultTicks(): Date[];
    protected _niceDomain(domain: Date[]): Date[];
    /**
     * Transforms the Plottable TimeInterval string into a d3 time interval equivalent.
     * If the provided TimeInterval is incorrect, the default is d3.timeYear
     */
    static timeIntervalToD3Time(timeInterval: string, useUTC: boolean): d3.CountableTimeInterval;
}