import { OnChanges, TemplateRef } from '@angular/core';
export declare class MgxCircularProgressPieComponent implements OnChanges {
    total: number;
    barValue: number;
    percentage: number;
    contentTemplate: TemplateRef<any>;
    diameter: number;
    fontSize: number;
    color: string;
    bgColor: string;
    bgSize: number;
    private mgxPrefix;
    pathData: string;
    newPathData: string;
    percentual: number;
    constructor();
    ngOnChanges(): void;
    private setSlice(percent);
    private getCoordinatesForPercent(percent);
    private showWarnings();
    getFontSize(reducer?: number): string;
}