import { ElementRef } from '@angular/core';
import { fmtNum } from '../shared/chart-utils';
import * as i0 from "@angular/core";
export interface VariablePieDataPoint {
    label: string;
    value: number;
    radiusValue: number;
    color?: string;
}
interface ProcessedSlice {
    index: number;
    label: string;
    value: number;
    radiusValue: number;
    pct: number;
    color: string;
    path: string;
    midAngle: number;
    cos: number;
    sin: number;
    outerR: number;
    innerR: number;
}
export declare class VariablePieChartComponent {
    data: import("@angular/core").InputSignal<VariablePieDataPoint[]>;
    mode: import("@angular/core").InputSignal<"pie" | "donut">;
    donutHoleSize: import("@angular/core").InputSignal<number>;
    height: import("@angular/core").InputSignal<number>;
    showLegend: import("@angular/core").InputSignal<boolean>;
    showLabels: import("@angular/core").InputSignal<boolean>;
    colors: import("@angular/core").InputSignal<string[]>;
    centerTitle: import("@angular/core").InputSignal<string>;
    centerValueOverride: import("@angular/core").InputSignal<string | null>;
    showExport: import("@angular/core").InputSignal<boolean>;
    minRadiusPercent: import("@angular/core").InputSignal<number>;
    svgEl: import("@angular/core").Signal<ElementRef<SVGElement> | undefined>;
    exportMenuOpen: import("@angular/core").WritableSignal<boolean>;
    hovered: import("@angular/core").WritableSignal<number>;
    tooltip: import("@angular/core").WritableSignal<{
        x: number;
        y: number;
        label: string;
        value: number;
        radiusValue: number;
        pct: number;
        color: string;
    } | null>;
    cx: import("@angular/core").Signal<number>;
    cy: import("@angular/core").Signal<number>;
    maxRadius: import("@angular/core").Signal<number>;
    donutHoleRadius: import("@angular/core").Signal<number>;
    centerValue: import("@angular/core").Signal<string>;
    slices: import("@angular/core").Signal<ProcessedSlice[]>;
    private arcPath;
    private ringPath;
    labelX(s: ProcessedSlice): number;
    labelY(s: ProcessedSlice): number;
    onSliceHover(event: MouseEvent, slice: ProcessedSlice): void;
    toggleExportMenu(event: MouseEvent): void;
    closeExportMenu(): void;
    onExport(type: 'json' | 'csv' | 'svg' | 'pdf'): void;
    exportToCsv(): void;
    exportToJson(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    readonly fmtNum: typeof fmtNum;
    static ɵfac: i0.ɵɵFactoryDeclaration<VariablePieChartComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<VariablePieChartComponent, "ngx-variable-pie-chart", never, { "data": { "alias": "data"; "required": false; "isSignal": true; }; "mode": { "alias": "mode"; "required": false; "isSignal": true; }; "donutHoleSize": { "alias": "donutHoleSize"; "required": false; "isSignal": true; }; "height": { "alias": "height"; "required": false; "isSignal": true; }; "showLegend": { "alias": "showLegend"; "required": false; "isSignal": true; }; "showLabels": { "alias": "showLabels"; "required": false; "isSignal": true; }; "colors": { "alias": "colors"; "required": false; "isSignal": true; }; "centerTitle": { "alias": "centerTitle"; "required": false; "isSignal": true; }; "centerValueOverride": { "alias": "centerValue"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; "minRadiusPercent": { "alias": "minRadiusPercent"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}
export {};