import { NlsMathService } from './math.service';
import { Graph } from './../models/graph.model';
import { Point } from './../models/point.model';
export declare class NlsGraphService {
    private math;
    private graphs;
    private animation;
    constructor(math: NlsMathService);
    get(): Graph[];
    set(newGraphs: Graph[]): void;
    readonly isAnimated: boolean;
    startAnimation(): void;
    stopAnimation(): void;
    spreadOrthogonal(start: Point, spacing: number): IterableIterator<Point>;
    shiftPoint(point: Point, radians: number, spacing: number): Point;
}