@future-grid/fgp-graph/lib/metadata/graphoptions.d.ts

fgp-graph is a chart lib based on Dygraphs

import { ViewConfig } from "./configurations";
import FgpGraph from "../index";
export interface EventHandlers {
    onViewChange?(g: FgpGraph, view: ViewConfig): void;
    onIntervalChange?(g: FgpGraph, interval: {
        name: string;
        value: number;
        show?: boolean;
    }): void;
}