import { OnChanges, ElementRef } from '@angular/core';
export declare class NgColorScaleComponent implements OnChanges {
    private host;
    data: number;
    leftLabel: string;
    rightLabel: string;
    middleLabel: string;
    minVal: number;
    maxVal: number;
    hideAxis: boolean;
    colorList: string[];
    displayMeta: string;
    private _margin;
    private _svg;
    private _chart;
    private _width;
    private _height;
    private _barWidth;
    private _xScale;
    private _colors;
    private _textHeight;
    private _axisHeight;
    private _axisOffset;
    private _id;
    constructor(host: ElementRef);
    ngOnChanges(): void;
    ngOnInit(): void;
    private _createChart;
    private _drawAxis;
    private _drawcolorBar;
    private _drawLabels;
    _onResize(event: any): void;
}