import { ChangeDetectorRef, ElementRef, NgZone, OnInit } from '@angular/core';
import { AlertController } from '@ionic/angular';
import { AbstractVariable } from '@iotize/tap/data';
import { LineChartComponent } from '@swimlane/ngx-charts';
import { ChartInputMutli, ChartInputStreamArray } from '../ChartDataModel';
export declare class TapVariableLineChartGroupComponent extends LineChartComponent implements OnInit {
    alertController: AlertController;
    colorScheme: {
        domain: string[];
    };
    legendPosition: string;
    legend: boolean;
    xAxis: boolean;
    yAxis: boolean;
    showYAxisLabel: boolean;
    showXAxisLabel: boolean;
    timeline: boolean;
    history: boolean;
    valueCountLimit: number | undefined;
    set label(indexOrArray: string | string[] | undefined | Function);
    set variable(variableOrArray: AbstractVariable<any> | AbstractVariable<any>[] | undefined);
    set inputStream(inputs: ChartInputStreamArray[]);
    results: ChartInputMutli[];
    private subscription?;
    private multiple;
    private chartModel;
    constructor(myChartElement: ElementRef<any>, zone: NgZone, cd: ChangeDetectorRef, alertController: AlertController);
    onSelect(event: any): void;
    ngOnInit(): void;
    ngOnDestroy(): void;
}
