import { ElementRef } from '@angular/core';
import type { ExportFormat } from '../shared/chart-export-menu.component';
import * as i0 from "@angular/core";
export interface RadarSeries {
    label: string;
    values: number[];
}
export declare class RadarChartComponent {
    private readonly exportSvc;
    readonly instanceId: string;
    seriesData: import("@angular/core").InputSignal<RadarSeries[]>;
    categories: import("@angular/core").InputSignal<string[]>;
    max: import("@angular/core").InputSignal<number>;
    colors: import("@angular/core").InputSignal<string[]>;
    showExport: import("@angular/core").InputSignal<boolean>;
    hoveredSeries: import("@angular/core").WritableSignal<string | null>;
    hoveredPoint: import("@angular/core").WritableSignal<{
        seriesLabel: string;
        index: number;
    } | null>;
    tooltip: import("@angular/core").WritableSignal<{
        show: boolean;
        series: string;
        category: string;
        value: string;
        x: number;
        y: number;
        color: string;
    }>;
    svgEl: import("@angular/core").Signal<ElementRef<SVGElement> | undefined>;
    gridRings: import("@angular/core").WritableSignal<number[]>;
    centerX: number;
    centerY: number;
    maxRadius: number;
    axes: import("@angular/core").Signal<{
        x: number;
        y: number;
        labelX: number;
        labelY: number;
        align: "end" | "start" | "middle";
    }[]>;
    getRingPoints(ringFraction: number): string;
    getSeriesPoints(series: RadarSeries): string;
    getSeriesPointList(series: RadarSeries): Array<{
        x: number;
        y: number;
        value: number;
    }>;
    getSeriesColor(index: number, opacity: number): string;
    onPointEnter(series: RadarSeries, index: number, pt: {
        x: number;
        y: number;
        value: number;
    }, event: MouseEvent): void;
    onPointLeave(): void;
    onExport(type: ExportFormat): void;
    exportToJson(): void;
    exportToCsv(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<RadarChartComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<RadarChartComponent, "ngx-radar-chart", never, { "seriesData": { "alias": "seriesData"; "required": true; "isSignal": true; }; "categories": { "alias": "categories"; "required": true; "isSignal": true; }; "max": { "alias": "max"; "required": false; "isSignal": true; }; "colors": { "alias": "colors"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}