import { Emitter, Event } from "../../../../../base/common/event.js";
import { StandardTokenType } from "../../../encodedTokenAttributes.js";
import { ILanguageIdCodec } from "../../../languages.js";
import { IModelContentChangedEvent } from "../../../textModelEvents.js";
import { BackgroundTokenizationState } from "../../../tokenizationTextModelPart.js";
import { LineTokens } from "../../../tokens/lineTokens.js";
import { TextModel } from "../../textModel.js";
import { AbstractSyntaxTokenBackend } from "../abstractSyntaxTokenBackend.js";
import { IObservable } from "../../../../../base/common/observable.js";
import { TreeSitterTree } from "./treeSitterTree.js";
import { IInstantiationService } from "../../../../../platform/instantiation/common/instantiation.js";
import { TreeSitterTokenizationImpl } from "./treeSitterTokenizationImpl.js";
import { ITreeSitterLibraryService } from "../../../services/treeSitter/treeSitterLibraryService.service.js";
import { LineRange } from "../../../core/ranges/lineRange.js";
export declare class TreeSitterSyntaxTokenBackend extends AbstractSyntaxTokenBackend {
    private readonly _languageIdObs;
    private readonly _treeSitterLibraryService;
    private readonly _instantiationService;
    protected _backgroundTokenizationState: BackgroundTokenizationState;
    protected readonly _onDidChangeBackgroundTokenizationState: Emitter<void>;
    readonly onDidChangeBackgroundTokenizationState: Event<void>;
    private readonly _tree;
    private readonly _tokenizationImpl;
    constructor(_languageIdObs: IObservable<string>, languageIdCodec: ILanguageIdCodec, textModel: TextModel, visibleLineRanges: IObservable<readonly LineRange[]>, _treeSitterLibraryService: ITreeSitterLibraryService, _instantiationService: IInstantiationService);
    get tree(): IObservable<TreeSitterTree | undefined>;
    get tokenizationImpl(): IObservable<TreeSitterTokenizationImpl | undefined>;
    getLineTokens(lineNumber: number): LineTokens;
    todo_resetTokenization(fireTokenChangeEvent?: boolean): void;
    handleDidChangeAttached(): void;
    handleDidChangeContent(e: IModelContentChangedEvent): void;
    forceTokenization(lineNumber: number): void;
    hasAccurateTokensForLine(lineNumber: number): boolean;
    isCheapToTokenize(lineNumber: number): boolean;
    getTokenTypeIfInsertingCharacter(lineNumber: number, column: number, character: string): StandardTokenType;
    tokenizeLinesAt(lineNumber: number, lines: string[]): LineTokens[] | null;
    get hasTokens(): boolean;
}