import Scale from './Scale.js';
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import { ScaleTick, Dictionary } from '../util/types.js';
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declare class IntervalScale<SETTING extends Dictionary<unknown> = Dictionary<unknown>> extends Scale<SETTING> {
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static type: string;
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type: string;
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protected _interval: number;
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protected _niceExtent: [number, number];
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private _intervalPrecision;
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parse(val: number): number;
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contain(val: number): boolean;
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normalize(val: number): number;
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scale(val: number): number;
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setExtent(start: number | string, end: number | string): void;
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unionExtent(other: [number, number]): void;
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getInterval(): number;
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setInterval(interval: number): void;
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/**
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* @param expandToNicedExtent Whether expand the ticks to niced extent.
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*/
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getTicks(expandToNicedExtent?: boolean): ScaleTick[];
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getMinorTicks(splitNumber: number): number[][];
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/**
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* @param opt.precision If 'auto', use nice presision.
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* @param opt.pad returns 1.50 but not 1.5 if precision is 2.
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*/
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getLabel(data: ScaleTick, opt?: {
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precision?: 'auto' | number;
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pad?: boolean;
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}): string;
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/**
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* @param splitNumber By default `5`.
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*/
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calcNiceTicks(splitNumber?: number, minInterval?: number, maxInterval?: number): void;
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calcNiceExtent(opt: {
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splitNumber: number;
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fixMin?: boolean;
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fixMax?: boolean;
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minInterval?: number;
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maxInterval?: number;
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}): void;
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setNiceExtent(min: number, max: number): void;
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}
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export default IntervalScale;
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