import Model from '../model/Model.js';
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import { OrdinalNumber, OrdinalRawValue } from '../util/types.js';
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declare class OrdinalMeta {
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readonly categories: OrdinalRawValue[];
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private _needCollect;
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private _deduplication;
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private _map;
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readonly uid: number;
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constructor(opt: {
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categories?: OrdinalRawValue[];
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needCollect?: boolean;
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deduplication?: boolean;
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});
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static createByAxisModel(axisModel: Model): OrdinalMeta;
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getOrdinal(category: OrdinalRawValue): OrdinalNumber;
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/**
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* @return The ordinal. If not found, return NaN.
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*/
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parseAndCollect(category: OrdinalRawValue | OrdinalNumber): OrdinalNumber;
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private _getOrCreateMap;
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}
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export default OrdinalMeta;
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