import { ElementRef } from '@angular/core';
import type { ExportFormat } from '../shared/chart-export-menu.component';
import { fmtNum } from '../shared/chart-utils';
import * as i0 from "@angular/core";
export interface GeoHeatmapPoint {
    lat: number;
    lng: number;
    weight: number;
}
interface HeatmapCell {
    x: number;
    y: number;
    weight: number;
    lat: number;
    lng: number;
    color: string;
    radius: number;
}
export declare class GeoHeatmapComponent {
    private readonly exportSvc;
    title: import("@angular/core").InputSignal<string>;
    data: import("@angular/core").InputSignal<GeoHeatmapPoint[]>;
    height: import("@angular/core").InputSignal<number>;
    gridSize: import("@angular/core").InputSignal<number>;
    colors: import("@angular/core").InputSignal<string[]>;
    blur: import("@angular/core").InputSignal<boolean>;
    showLegend: import("@angular/core").InputSignal<boolean>;
    showExport: import("@angular/core").InputSignal<boolean>;
    theme: import("@angular/core").InputSignal<"light" | "dark">;
    containerWidth: import("@angular/core").WritableSignal<number>;
    hoveredCellIndex: import("@angular/core").WritableSignal<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>;
    private container;
    constructor();
    legendGradient: import("@angular/core").Signal<string>;
    baseMapPaths: import("@angular/core").Signal<string[]>;
    computedCells: import("@angular/core").Signal<{
        x: number;
        y: number;
        lat: number;
        lng: number;
        weight: number;
        color: string;
        radius: number;
    }[]>;
    onCellHover(cell: HeatmapCell, index: number, event: MouseEvent): void;
    onCellMouseMove(event: MouseEvent): void;
    onMouseLeave(): void;
    onExport(type: ExportFormat): void;
    exportToJson(): void;
    exportToCsv(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    private getHeatmapColor;
    private interpolateColor;
    private parseHex;
    readonly fmtNum: typeof fmtNum;
    static ɵfac: i0.ɵɵFactoryDeclaration<GeoHeatmapComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<GeoHeatmapComponent, "ngx-geo-heatmap", never, { "title": { "alias": "title"; "required": false; "isSignal": true; }; "data": { "alias": "data"; "required": false; "isSignal": true; }; "height": { "alias": "height"; "required": false; "isSignal": true; }; "gridSize": { "alias": "gridSize"; "required": false; "isSignal": true; }; "colors": { "alias": "colors"; "required": false; "isSignal": true; }; "blur": { "alias": "blur"; "required": false; "isSignal": true; }; "showLegend": { "alias": "showLegend"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; "theme": { "alias": "theme"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}
export {};