import { ElementRef, TemplateRef } from '@angular/core';
import type { ExportFormat } from '../shared/chart-export-menu.component';
import { ChartSeries, fmtNum } from '../shared/chart-utils';
import * as i0 from "@angular/core";
export declare class LineChartComponent {
    readonly instanceId: string;
    private readonly exportSvc;
    readonly PAD_LEFT = 48;
    readonly PAD_TOP = 12;
    readonly PAD_RIGHT = 16;
    readonly PAD_BOTTOM = 32;
    series: import("@angular/core").InputSignal<ChartSeries[]>;
    categories: import("@angular/core").InputSignal<string[]>;
    height: import("@angular/core").InputSignal<number>;
    showGrid: import("@angular/core").InputSignal<boolean>;
    showArea: import("@angular/core").InputSignal<boolean>;
    showMarkers: import("@angular/core").InputSignal<boolean>;
    showLegend: import("@angular/core").InputSignal<boolean>;
    colors: import("@angular/core").InputSignal<string[]>;
    showExport: import("@angular/core").InputSignal<boolean>;
    showLabels: import("@angular/core").InputSignal<boolean>;
    referenceLines: import("@angular/core").InputSignal<{
        value: number;
        label: string;
        color?: string;
        strokeDasharray?: string;
    }[]>;
    labelFormatter: import("@angular/core").InputSignal<((v: number) => string) | undefined>;
    tooltipTemplate: import("@angular/core").InputSignal<TemplateRef<any> | null>;
    zoomEnabled: import("@angular/core").InputSignal<boolean>;
    panEnabled: import("@angular/core").InputSignal<boolean>;
    pointClick: import("@angular/core").OutputEmitterRef<{
        category: string;
        value: number;
        seriesName: string;
    }>;
    svgEl: import("@angular/core").Signal<ElementRef<SVGElement> | undefined>;
    animateState: import("@angular/core").WritableSignal<boolean>;
    containerWidth: import("@angular/core").WritableSignal<number>;
    zoomScale: import("@angular/core").WritableSignal<number>;
    panOffset: import("@angular/core").WritableSignal<{
        x: number;
        y: number;
    }>;
    crosshair: import("@angular/core").WritableSignal<{
        x: number;
    } | null>;
    activeCategoryIndex: import("@angular/core").WritableSignal<number | null>;
    tooltip: import("@angular/core").WritableSignal<{
        x: number;
        y: number;
        cat: string;
        rows: {
            name: string;
            value: number;
            color: string;
        }[];
    } | null>;
    chartHeight: import("@angular/core").Signal<number>;
    innerW: import("@angular/core").Signal<number>;
    innerH: import("@angular/core").Signal<number>;
    private allValues;
    private yMin;
    private yMax;
    yTicks: import("@angular/core").Signal<number[]>;
    constructor();
    yPos(v: number): number;
    xPos(i: number): number;
    seriesColor(i: number, s: ChartSeries): string;
    linePath(s: ChartSeries): string;
    areaPath(s: ChartSeries): string;
    onMouseMove(event: MouseEvent): void;
    isPanning: boolean;
    panStart: {
        x: number;
        y: number;
    };
    onWheel(event: WheelEvent): void;
    onMouseDown(event: MouseEvent): void;
    onSvgMouseMove(event: MouseEvent): void;
    onMouseUp(): void;
    onMouseLeaveChart(): void;
    resetZoom(): void;
    onPointClick(ci: number, si: number, v: number): void;
    onMouseLeave(): void;
    onExport(type: ExportFormat): void;
    exportToCsv(): void;
    exportToJson(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    readonly fmtNum: typeof fmtNum;
    static ɵfac: i0.ɵɵFactoryDeclaration<LineChartComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<LineChartComponent, "ngx-line-chart", never, { "series": { "alias": "series"; "required": false; "isSignal": true; }; "categories": { "alias": "categories"; "required": false; "isSignal": true; }; "height": { "alias": "height"; "required": false; "isSignal": true; }; "showGrid": { "alias": "showGrid"; "required": false; "isSignal": true; }; "showArea": { "alias": "showArea"; "required": false; "isSignal": true; }; "showMarkers": { "alias": "showMarkers"; "required": false; "isSignal": true; }; "showLegend": { "alias": "showLegend"; "required": false; "isSignal": true; }; "colors": { "alias": "colors"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; "showLabels": { "alias": "showLabels"; "required": false; "isSignal": true; }; "referenceLines": { "alias": "referenceLines"; "required": false; "isSignal": true; }; "labelFormatter": { "alias": "labelFormatter"; "required": false; "isSignal": true; }; "tooltipTemplate": { "alias": "tooltipTemplate"; "required": false; "isSignal": true; }; "zoomEnabled": { "alias": "zoomEnabled"; "required": false; "isSignal": true; }; "panEnabled": { "alias": "panEnabled"; "required": false; "isSignal": true; }; }, { "pointClick": "pointClick"; }, never, never, true, never>;
}