import { ElementRef } from '@angular/core';
import { OnChanges } from '@angular/core';
export declare class FrappeChartsHeatmapDirective implements OnChanges {
    private el;
    title?: string;
    data: any;
    countLabel?: string;
    discreteDomains?: number;
    colors?: string[5];
    readonly type: string;
    constructor(el: ElementRef);
    ngOnChanges(): void;
    getHeatmapInputs(): any;
}