import { OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { ScaleLinear, ScaleTime } from 'd3-scale';
import { Selection } from 'd3-selection';
import { Area, Line } from 'd3-shape';
import { Subscription } from 'rxjs';
import { RealtimeChartData, RealtimeChartOptions } from './ngx-realtime-chart.interface';
import * as i0 from "@angular/core";
export declare class NgxRealtimeChartComponent implements OnInit, OnDestroy, OnChanges {
    private readonly elementRef;
    private readonly resizeService;
    private readonly renderer;
    data: RealtimeChartData[][];
    options: RealtimeChartOptions;
    id: string;
    el: HTMLElement;
    canvas: HTMLCanvasElement;
    context: CanvasRenderingContext2D;
    width: number;
    height: number;
    x: ScaleTime<number, number>;
    y: ScaleLinear<number, number>;
    line: Line<[number, number]>;
    area: Area<[number, number]>;
    svg: Selection<SVGSVGElement, unknown, null, undefined>;
    g: Selection<SVGGElement, unknown, null, undefined>;
    xAxis: Selection<SVGGElement, unknown, null, undefined>;
    yAxis: Selection<SVGGElement, unknown, null, undefined>;
    interval: ReturnType<typeof setInterval>;
    subs: Subscription;
    ngOnInit(): void;
    ngOnDestroy(): void;
    ngOnChanges(changes: SimpleChanges): void;
    private initChart;
    private redrawChart;
    private drawChart;
    private updateData;
    private setDomains;
    private drawAxes;
    private updateAxes;
    private getAxesData;
    private styleAxes;
    private setDimensions;
    private initOptions;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxRealtimeChartComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NgxRealtimeChartComponent, "ngx-realtime-chart", never, { "data": { "alias": "data"; "required": false; }; "options": { "alias": "options"; "required": false; }; }, {}, never, never, true, never>;
}