import { HTMLWidget, SVGWidget, Widget } from "@hpcc-js/common";
import { Message } from "./phosphor-shim.ts";
import { WidgetAdapter } from "./WidgetAdapter.ts";
import "../src/DockPanel.css";
export declare class SplitPanel extends HTMLWidget {
    private _split;
    private content;
    constructor(orientation?: "horizontal" | "vertical");
    protected getWidgetAdapter(widget: Widget): WidgetAdapter | null;
    addWidget(widget: SVGWidget | HTMLWidget): this;
    relativeSizes(): number[];
    relativeSizes(_: number[]): this;
    enter(domNode: any, element: any): void;
    update(domNode: any, element: any): void;
    exit(domNode: any, element: any): void;
    render(callback?: (w: Widget) => void): this;
    private _prevActive;
    processMessage(msg: Message): void;
    childActivation(w: Widget): void;
}