import { ElementRef } from '@angular/core';
import { D3ChartDirective, D3Element, D3MarginDirective } from './chart';
export declare class D3GearDirective extends D3Element {
    duration: any;
    transition: any;
    name: string;
    weightField: string;
    color: string;
    innerLabelField: string;
    innerRadiusField: string;
    innerLabelRadiusField: string;
    outerLabelField: string;
    outerRadiusField: string;
    outerLabelRadiusField: string;
    anglePadding: number;
    cornerRadiusPercentage: number;
    triangleColor: string;
    format: string;
    radiusScaling: number;
    innerRadiusScaling: number;
    rotation: number;
    dx: number;
    dy: number;
    layout: any;
    private _colorScale;
    constructor(chart: D3ChartDirective, el: ElementRef, margin?: D3MarginDirective);
    colorScale: any;
    redraw(): void;
    private getColors(d, i);
}