import { ElementRef } from '@angular/core';
import { fmtNum } from '../shared/chart-utils';
import type { ExportFormat } from '../shared/chart-export-menu.component';
import * as i0 from "@angular/core";
export interface WaterfallItem {
    label: string;
    value: number;
    isTotal?: boolean;
}
export declare class WaterfallChartComponent {
    private readonly exportSvc;
    PAD_LEFT: number;
    PAD_TOP: number;
    PAD_RIGHT: number;
    PAD_BOTTOM: number;
    data: import("@angular/core").InputSignal<WaterfallItem[]>;
    height: import("@angular/core").InputSignal<number>;
    showGrid: import("@angular/core").InputSignal<boolean>;
    showLabels: import("@angular/core").InputSignal<boolean>;
    positiveColor: import("@angular/core").InputSignal<string>;
    negativeColor: import("@angular/core").InputSignal<string>;
    totalColor: import("@angular/core").InputSignal<string>;
    showExport: import("@angular/core").InputSignal<boolean>;
    hoveredIndex: import("@angular/core").WritableSignal<number | null>;
    tooltip: import("@angular/core").WritableSignal<{
        x: number;
        y: number;
        label: string;
        value: number;
        balance: number;
        color: string;
    } | null>;
    svgEl: import("@angular/core").Signal<ElementRef<SVGElement> | undefined>;
    private container;
    innerW: import("@angular/core").Signal<number>;
    innerH: import("@angular/core").Signal<number>;
    processedData: import("@angular/core").Signal<{
        label: string;
        value: number;
        start: number;
        end: number;
        isTotal: boolean;
        runningBalance: number;
    }[]>;
    yMin: import("@angular/core").Signal<number>;
    yMax: import("@angular/core").Signal<number>;
    yTicks: import("@angular/core").Signal<number[]>;
    xPos(index: number, count: number): number;
    yPos(y: number): number;
    barWidth(count: number): number;
    computedBars: import("@angular/core").Signal<{
        x: number;
        y: number;
        rectH: number;
        width: number;
        color: string;
        fill: string;
        connectY: number;
        label: string;
        value: number;
        balance: number;
        isTotal: boolean;
    }[]>;
    onBarHover(event: MouseEvent, bar: any, index: number): void;
    onExport(type: ExportFormat): void;
    exportToCsv(): void;
    exportToJson(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    readonly fmtNum: typeof fmtNum;
    static ɵfac: i0.ɵɵFactoryDeclaration<WaterfallChartComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<WaterfallChartComponent, "ngx-waterfall-chart", never, { "data": { "alias": "data"; "required": false; "isSignal": true; }; "height": { "alias": "height"; "required": false; "isSignal": true; }; "showGrid": { "alias": "showGrid"; "required": false; "isSignal": true; }; "showLabels": { "alias": "showLabels"; "required": false; "isSignal": true; }; "positiveColor": { "alias": "positiveColor"; "required": false; "isSignal": true; }; "negativeColor": { "alias": "negativeColor"; "required": false; "isSignal": true; }; "totalColor": { "alias": "totalColor"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}