import SymbolDraw from '../helper/SymbolDraw.js';
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import * as graphic from '../../util/graphic.js';
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import { ECPolyline, ECPolygon } from './poly.js';
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import ChartView from '../../view/Chart.js';
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import LineSeriesModel, { LineSeriesOption } from './LineSeries.js';
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import type GlobalModel from '../../model/Global.js';
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import type ExtensionAPI from '../../core/ExtensionAPI.js';
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import Cartesian2D from '../../coord/cartesian/Cartesian2D.js';
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import Polar from '../../coord/polar/Polar.js';
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import type SeriesData from '../../data/SeriesData.js';
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import type { Payload, DisplayState, LabelOption } from '../../util/types.js';
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import { CoordinateSystemClipArea } from '../../coord/CoordinateSystem.js';
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import Model from '../../model/Model.js';
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declare type PolarArea = ReturnType<Polar['getArea']>;
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declare type Cartesian2DArea = ReturnType<Cartesian2D['getArea']>;
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interface EndLabelAnimationRecord {
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lastFrameIndex: number;
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originalX?: number;
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originalY?: number;
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}
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declare class LineView extends ChartView {
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static readonly type = "line";
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_symbolDraw: SymbolDraw;
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_lineGroup: graphic.Group;
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_coordSys: Cartesian2D | Polar;
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_endLabel: graphic.Text;
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_polyline: ECPolyline;
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_polygon: ECPolygon;
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_stackedOnPoints: ArrayLike<number>;
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_points: ArrayLike<number>;
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_step: LineSeriesOption['step'];
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_valueOrigin: LineSeriesOption['areaStyle']['origin'];
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_clipShapeForSymbol: CoordinateSystemClipArea;
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_data: SeriesData;
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init(): void;
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render(seriesModel: LineSeriesModel, ecModel: GlobalModel, api: ExtensionAPI): void;
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private packEventData;
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highlight(seriesModel: LineSeriesModel, ecModel: GlobalModel, api: ExtensionAPI, payload: Payload): void;
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downplay(seriesModel: LineSeriesModel, ecModel: GlobalModel, api: ExtensionAPI, payload: Payload): void;
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_changePolyState(toState: DisplayState): void;
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_newPolyline(points: ArrayLike<number>): ECPolyline;
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_newPolygon(points: ArrayLike<number>, stackedOnPoints: ArrayLike<number>): ECPolygon;
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_initSymbolLabelAnimation(data: SeriesData, coordSys: Polar | Cartesian2D, clipShape: PolarArea | Cartesian2DArea): void;
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_initOrUpdateEndLabel(seriesModel: LineSeriesModel, coordSys: Cartesian2D, inheritColor: string): void;
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_endLabelOnDuring(percent: number, clipRect: graphic.Rect, data: SeriesData, animationRecord: EndLabelAnimationRecord, valueAnimation: boolean, endLabelModel: Model<LabelOption>, coordSys: Cartesian2D): void;
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/**
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* @private
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*/
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_doUpdateAnimation(data: SeriesData, stackedOnPoints: ArrayLike<number>, coordSys: Cartesian2D | Polar, api: ExtensionAPI, step: LineSeriesOption['step'], valueOrigin: LineSeriesOption['areaStyle']['origin'], connectNulls: boolean): void;
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remove(ecModel: GlobalModel): void;
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}
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export default LineView;
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