import { ViewPart } from "../../view/viewPart.js";
import { RenderingContext, RestrictedRenderingContext } from "../../view/renderingContext.js";
import { ViewContext } from "../../../common/viewModel/viewContext.js";
import * as viewEvents from "../../../common/viewEvents.js";
import type { ViewGpuContext } from "../../gpu/viewGpuContext.js";
/**
 * Rulers are vertical lines that appear at certain columns in the editor. There can be >= 0 rulers
 * at a time.
 */
export declare class RulersGpu extends ViewPart {
    private readonly _viewGpuContext;
    private readonly _gpuShapes;
    constructor(context: ViewContext, _viewGpuContext: ViewGpuContext);
    onConfigurationChanged(e: viewEvents.ViewConfigurationChangedEvent): boolean;
    prepareRender(ctx: RenderingContext): void;
    render(ctx: RestrictedRenderingContext): void;
    private _updateEntries;
}