import Scale from './Scale.js';
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import IntervalScale from './Interval.js';
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import SeriesData from '../data/SeriesData.js';
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import { DimensionName, ScaleTick } from '../util/types.js';
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declare class LogScale extends Scale {
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static type: string;
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readonly type = "log";
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base: number;
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private _originalScale;
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private _fixMin;
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private _fixMax;
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private _interval;
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private _niceExtent;
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/**
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* @param Whether expand the ticks to niced extent.
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*/
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getTicks(expandToNicedExtent?: boolean): ScaleTick[];
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setExtent(start: number, end: number): void;
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/**
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* @return {number} end
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*/
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getExtent(): [number, number];
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unionExtent(extent: [number, number]): void;
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unionExtentFromData(data: SeriesData, dim: DimensionName): void;
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/**
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* Update interval and extent of intervals for nice ticks
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* @param approxTickNum default 10 Given approx tick number
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*/
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calcNiceTicks(approxTickNum: 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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parse(val: any): 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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getMinorTicks: IntervalScale['getMinorTicks'];
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getLabel: IntervalScale['getLabel'];
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}
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export default LogScale;
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