import { Disposable, IDisposable } from "../../../../../base/common/lifecycle.js";
import { IObservable, IReader } from "../../../../../base/common/observable.js";
import { IInstantiationService } from "../../../../../platform/instantiation/common/instantiation.js";
import { LineRange } from "../../../../common/core/ranges/lineRange.js";
import { SymbolKind } from "../../../../common/languages.js";
import { ITextModel } from "../../../../common/model.js";
import { DiffEditorEditors } from "../components/diffEditorEditors.js";
import { DiffEditorOptions } from "../diffEditorOptions.js";
import { DiffEditorViewModel } from "../diffEditorViewModel.js";
import { IObservableViewZone } from "../utils.js";
/**
 * Make sure to add the view zones to the editor!
 */
export declare class HideUnchangedRegionsFeature extends Disposable {
    private readonly _editors;
    private readonly _diffModel;
    private readonly _options;
    private readonly _instantiationService;
    static readonly _breadcrumbsSourceFactory: import("../../../../../base/common/observable.js").ISettableObservable<(textModel: ITextModel, instantiationService: IInstantiationService) => IDiffEditorBreadcrumbsSource, void>;
    static setBreadcrumbsSourceFactory(factory: (textModel: ITextModel, instantiationService: IInstantiationService) => IDiffEditorBreadcrumbsSource): void;
    private readonly _modifiedOutlineSource;
    readonly viewZones: IObservable<{
        origViewZones: IObservableViewZone[];
        modViewZones: IObservableViewZone[];
    }>;
    private _isUpdatingHiddenAreas;
    get isUpdatingHiddenAreas(): boolean;
    constructor(_editors: DiffEditorEditors, _diffModel: IObservable<DiffEditorViewModel | undefined>, _options: DiffEditorOptions, _instantiationService: IInstantiationService);
}
export interface IDiffEditorBreadcrumbsSource extends IDisposable {
    getBreadcrumbItems(startRange: LineRange, reader: IReader): {
        name: string;
        kind: SymbolKind;
        startLineNumber: number;
    }[];
    getAt(lineNumber: number, reader: IReader): {
        name: string;
        kind: SymbolKind;
        startLineNumber: number;
    }[];
}