import { ElementRef, OnInit } from '@angular/core';
export interface ID3Element {
    redraw(): void;
}
export interface D3Scale {
    name: string;
    scale: any;
    redraw(): void;
}
export declare class D3ChartDirective implements OnInit {
    element: any;
    chart: any;
    scales: D3Scale[];
    elements: ID3Element[];
    private _data;
    constructor(elementRef: ElementRef);
    width: number;
    height: number;
    addScale(scale: D3Scale): void;
    getScale(name: string): D3Scale;
    addElement(element: ID3Element): void;
    data: any;
    redraw(): void;
    ngOnInit(): void;
}
export interface D3Margin {
    top: number;
    left: number;
    right: number;
    bottom: number;
}
export declare class D3MarginDirective implements ID3Element {
    chart: D3ChartDirective;
    el: ElementRef;
    element: any;
    private _margin;
    constructor(chart: D3ChartDirective, el: ElementRef);
    readonly width: number;
    readonly height: number;
    margin: D3Margin;
    redraw(): void;
}
export declare class D3Element implements ID3Element {
    chart: D3ChartDirective;
    el: ElementRef;
    private _marginEl;
    element: any;
    private _margin;
    constructor(chart: D3ChartDirective, el: ElementRef, _marginEl?: D3MarginDirective);
    readonly margin: D3Margin;
    readonly nativeElement: any;
    readonly width: number;
    readonly height: number;
    readonly data: any;
    readonly horizontalPadding: number;
    readonly verticalPadding: number;
    getScale(name: any): D3Scale;
    redraw(): void;
}