import { CancellationToken } from "../../../../base/common/cancellation.js";
import { Disposable, IDisposable } from "../../../../base/common/lifecycle.js";
import { ICodeEditor } from "../../../browser/editorBrowser.js";
import { IPosition } from "../../../common/core/position.js";
import { Selection } from "../../../common/core/selection.js";
import { IEditorContribution } from "../../../common/editorCommon.js";
import { ITextModel } from "../../../common/model.js";
import { FoldingRangeProvider } from "../../../common/languages.js";
import { ILanguageConfigurationService } from "../../../common/languages/languageConfigurationRegistry.service.js";
import { CollapseMemento, FoldingModel } from "./foldingModel.js";
import { IContextKeyService } from "../../../../platform/contextkey/common/contextkey.service.js";
import { FoldingRegions } from "./foldingRanges.js";
import { INotificationService } from "../../../../platform/notification/common/notification.service.js";
import { ILanguageFeatureDebounceService } from "../../../common/services/languageFeatureDebounce.service.js";
import { ILanguageFeaturesService } from "../../../common/services/languageFeatures.service.js";
import { Event } from "../../../../base/common/event.js";
export interface RangeProvider {
    readonly id: string;
    compute(cancelationToken: CancellationToken): Promise<FoldingRegions | null>;
    dispose(): void;
}
interface FoldingStateMemento {
    collapsedRegions?: CollapseMemento;
    lineCount?: number;
    provider?: string;
    foldedImports?: boolean;
}
export interface FoldingLimitReporter {
    readonly limit: number;
    update(computed: number, limited: number | false): void;
}
export type FoldingRangeProviderSelector = (provider: FoldingRangeProvider[], document: ITextModel) => FoldingRangeProvider[] | undefined;
export declare class FoldingController extends Disposable implements IEditorContribution {
    private readonly contextKeyService;
    private readonly languageConfigurationService;
    private readonly languageFeaturesService;
    static readonly ID = "editor.contrib.folding";
    static get(editor: ICodeEditor): FoldingController | null;
    private static _foldingRangeSelector;
    static getFoldingRangeProviders(languageFeaturesService: ILanguageFeaturesService, model: ITextModel): FoldingRangeProvider[];
    static setFoldingRangeProviderSelector(foldingRangeSelector: FoldingRangeProviderSelector): IDisposable;
    private readonly editor;
    private _isEnabled;
    private _useFoldingProviders;
    private _unfoldOnClickAfterEndOfLine;
    private _restoringViewState;
    private _foldingImportsByDefault;
    private _currentModelHasFoldedImports;
    private readonly foldingDecorationProvider;
    private foldingModel;
    private hiddenRangeModel;
    private rangeProvider;
    private foldingRegionPromise;
    private foldingModelPromise;
    private updateScheduler;
    private readonly updateDebounceInfo;
    private foldingEnabled;
    private cursorChangedScheduler;
    private readonly localToDispose;
    private mouseDownInfo;
    readonly _foldingLimitReporter: RangesLimitReporter;
    constructor(editor: ICodeEditor, contextKeyService: IContextKeyService, languageConfigurationService: ILanguageConfigurationService, notificationService: INotificationService, languageFeatureDebounceService: ILanguageFeatureDebounceService, languageFeaturesService: ILanguageFeaturesService);
    get limitReporter(): RangesLimitReporter;
    /**
     * Store view state.
     */
    saveViewState(): FoldingStateMemento | undefined;
    /**
     * Restore view state.
     */
    restoreViewState(state: FoldingStateMemento): void;
    private onModelChanged;
    private onFoldingStrategyChanged;
    private getRangeProvider;
    getFoldingModel(): Promise<FoldingModel | null> | null;
    private onDidChangeModelContent;
    triggerFoldingModelChanged(): void;
    private onHiddenRangesChanges;
    private onCursorPositionChanged;
    private revealCursor;
    private onEditorMouseDown;
    private onEditorMouseUp;
    reveal(position: IPosition): void;
}
export declare class RangesLimitReporter extends Disposable implements FoldingLimitReporter {
    private readonly editor;
    constructor(editor: ICodeEditor);
    get limit(): number;
    private _onDidChange;
    get onDidChange(): Event<void>;
    private _computed;
    private _limited;
    get computed(): number;
    get limited(): number | false;
    update(computed: number, limited: number | false): void;
}
export interface SelectedLines {
    startsInside(startLine: number, endLine: number): boolean;
}
export declare function toSelectedLines(selections: Selection[] | null): SelectedLines;
export {};