import { ElementRef } from '@angular/core';
import { fmtNum } from '../shared/chart-utils';
import * as i0 from "@angular/core";
export interface FunnelItem {
    name: string;
    value: number;
    color?: string;
}
export declare class FunnelChartComponent {
    data: import("@angular/core").InputSignal<FunnelItem[]>;
    height: import("@angular/core").InputSignal<number>;
    colors: import("@angular/core").InputSignal<string[]>;
    mode: import("@angular/core").InputSignal<"funnel" | "pyramid">;
    showExport: import("@angular/core").InputSignal<boolean>;
    hoveredIndex: import("@angular/core").WritableSignal<number | null>;
    tooltipX: import("@angular/core").WritableSignal<number>;
    tooltipY: import("@angular/core").WritableSignal<number>;
    exportMenuOpen: import("@angular/core").WritableSignal<boolean>;
    svgEl: import("@angular/core").Signal<ElementRef<SVGElement> | undefined>;
    totalValue: import("@angular/core").Signal<number>;
    funnelStages: import("@angular/core").Signal<{
        name: string;
        value: number;
        points: string;
        color: string;
        yCenter: number;
    }[]>;
    toggleExportMenu(event: MouseEvent): void;
    closeExportMenu(): void;
    onExport(type: 'json' | 'csv' | 'svg' | 'pdf'): void;
    exportToJson(): void;
    exportToCsv(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    onMouseMove(event: MouseEvent, index: number): void;
    readonly fmtNum: typeof fmtNum;
    static ɵfac: i0.ɵɵFactoryDeclaration<FunnelChartComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<FunnelChartComponent, "ngx-funnel-chart", never, { "data": { "alias": "data"; "required": false; "isSignal": true; }; "height": { "alias": "height"; "required": false; "isSignal": true; }; "colors": { "alias": "colors"; "required": false; "isSignal": true; }; "mode": { "alias": "mode"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}