import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export interface GaugeThreshold {
    value: number;
    color: string;
}
export declare class GaugeChartComponent {
    value: import("@angular/core").InputSignal<number>;
    min: import("@angular/core").InputSignal<number>;
    max: import("@angular/core").InputSignal<number>;
    label: import("@angular/core").InputSignal<string>;
    type: import("@angular/core").InputSignal<"full" | "semi">;
    showNeedle: import("@angular/core").InputSignal<boolean>;
    color: import("@angular/core").InputSignal<string>;
    thresholds: import("@angular/core").InputSignal<GaugeThreshold[]>;
    showExport: import("@angular/core").InputSignal<boolean>;
    hovered: import("@angular/core").WritableSignal<boolean>;
    tooltipX: import("@angular/core").WritableSignal<number>;
    tooltipY: import("@angular/core").WritableSignal<number>;
    animateState: import("@angular/core").WritableSignal<boolean>;
    exportMenuOpen: import("@angular/core").WritableSignal<boolean>;
    svgEl: import("@angular/core").Signal<ElementRef<SVGElement> | undefined>;
    constructor();
    startAngle: import("@angular/core").Signal<270 | 225>;
    endAngle: import("@angular/core").Signal<450 | 495>;
    arcLength: import("@angular/core").Signal<number>;
    progressDashOffset: import("@angular/core").Signal<number>;
    backgroundArcPath: import("@angular/core").Signal<string>;
    needleTransformString: import("@angular/core").Signal<string>;
    gaugeColor: import("@angular/core").Signal<string>;
    private getThresholdColorForValue;
    ticks: import("@angular/core").Signal<{
        x1: number;
        y1: number;
        x2: number;
        y2: number;
        textX: number;
        textY: number;
        valueText: string;
        isMajor: boolean;
        color: string;
    }[]>;
    thresholdArcs: import("@angular/core").Signal<{
        path: string;
        color: string;
    }[]>;
    toggleExportMenu(event: MouseEvent): void;
    closeExportMenu(): void;
    onExport(type: 'json' | 'csv' | 'svg' | 'pdf'): void;
    exportToJson(): void;
    exportToCsv(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    onMouseMove(event: MouseEvent): void;
    private polarToCartesian;
    private describeArc;
    static ɵfac: i0.ɵɵFactoryDeclaration<GaugeChartComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<GaugeChartComponent, "ngx-gauge-chart", never, { "value": { "alias": "value"; "required": true; "isSignal": true; }; "min": { "alias": "min"; "required": false; "isSignal": true; }; "max": { "alias": "max"; "required": false; "isSignal": true; }; "label": { "alias": "label"; "required": false; "isSignal": true; }; "type": { "alias": "type"; "required": false; "isSignal": true; }; "showNeedle": { "alias": "showNeedle"; "required": false; "isSignal": true; }; "color": { "alias": "color"; "required": false; "isSignal": true; }; "thresholds": { "alias": "thresholds"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}