import type { Widget } from "./mod.js";
import { Alignment } from "../../../gen/types/mod.js";
import { Mutex } from "../../utils/async.js";
declare class OptimisiticFrame {
    x: number;
    y: number;
    width: number;
    height: number;
    init(widget: Widget): Promise<void>;
}
export declare const OPTIMISTIC_FRAME: Mutex<OptimisiticFrame>;
export declare class WidgetAutoSizer {
    private widget;
    private element;
    private fitOnScreen;
    /** From which side the widget will grow */
    originX?: Alignment | null;
    /** From which side the widget will grow */
    originY?: Alignment | null;
    constructor(widget: Widget, element: HTMLElement, fitOnScreen: boolean);
    private setup;
    execute(): Promise<void>;
}
export {};
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