import { ElementRef, TemplateRef } from '@angular/core';
import type { ExportFormat } from '../shared/chart-export-menu.component';
import * as i0 from "@angular/core";
export interface WindRoseSpeedBin {
    label: string;
    value: number;
}
export interface WindRoseItem {
    direction: string;
    speedBins: WindRoseSpeedBin[];
}
interface ProcessedWedgeBin {
    direction: string;
    binLabel: string;
    value: number;
    cumValue: number;
    color: string;
    path: string;
}
interface ProcessedWedge {
    direction: string;
    angle: number;
    bins: ProcessedWedgeBin[];
}
export declare class WindRoseChartComponent {
    private readonly exportSvc;
    data: import("@angular/core").InputSignal<WindRoseItem[]>;
    height: import("@angular/core").InputSignal<number>;
    colors: import("@angular/core").InputSignal<string[]>;
    showExport: import("@angular/core").InputSignal<boolean>;
    labelFormatter: import("@angular/core").InputSignal<((v: number) => string) | undefined>;
    tooltipTemplate: import("@angular/core").InputSignal<TemplateRef<any> | null>;
    containerWidth: import("@angular/core").WritableSignal<number>;
    hoveredBin: import("@angular/core").WritableSignal<{
        wIdx: number;
        bIdx: number;
    } | null>;
    tooltip: import("@angular/core").WritableSignal<any>;
    tooltipX: import("@angular/core").WritableSignal<number>;
    tooltipY: import("@angular/core").WritableSignal<number>;
    svgEl: import("@angular/core").Signal<ElementRef<SVGElement> | undefined>;
    readonly Math: Math;
    directionsList: string[];
    svgHeight: import("@angular/core").Signal<number>;
    maxRadius: import("@angular/core").Signal<number>;
    constructor();
    directionAngle(dir: string): number;
    maxCumulativePercentage: import("@angular/core").Signal<number>;
    gridLevels: import("@angular/core").Signal<number[]>;
    maxGridPct: import("@angular/core").Signal<number>;
    radiusScale(pct: number): number;
    computedWedges: import("@angular/core").Signal<ProcessedWedge[]>;
    legendItems: import("@angular/core").Signal<{
        label: string;
        color: string;
    }[]>;
    onWedgeHover(wIdx: number, bIdx: number, event: MouseEvent): void;
    onMouseMove(event: MouseEvent): void;
    onMouseLeave(): void;
    onExport(type: ExportFormat): void;
    exportToCsv(): void;
    exportToJson(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<WindRoseChartComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<WindRoseChartComponent, "ngx-wind-rose", never, { "data": { "alias": "data"; "required": false; "isSignal": true; }; "height": { "alias": "height"; "required": false; "isSignal": true; }; "colors": { "alias": "colors"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; "labelFormatter": { "alias": "labelFormatter"; "required": false; "isSignal": true; }; "tooltipTemplate": { "alias": "tooltipTemplate"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}
export {};