import { Parser } from '@vscode/tree-sitter-wasm';
import { Event } from '../../../base/common/event.js';
import { ITextModel } from '../model.js';
import { Range } from '../core/range.js';
export declare const ITreeSitterParserService: import("../../../platform/instantiation/common/instantiation.js").ServiceIdentifier<ITreeSitterParserService>;
export interface RangeChange {
    newRange: Range;
    oldRangeLength: number;
    newRangeStartOffset: number;
    newRangeEndOffset: number;
}
export interface TreeUpdateEvent {
    textModel: ITextModel;
    ranges: RangeChange[];
    versionId: number;
}
export interface ITreeSitterParserService {
    readonly _serviceBrand: undefined;
    onDidAddLanguage: Event<{
        id: string;
        language: Parser.Language;
    }>;
    getOrInitLanguage(languageId: string): Parser.Language | undefined;
    getParseResult(textModel: ITextModel): ITreeSitterParseResult | undefined;
    getTree(content: string, languageId: string): Promise<Parser.Tree | undefined>;
    onDidUpdateTree: Event<TreeUpdateEvent>;
    /**
     * For testing purposes so that the time to parse can be measured.
    */
    getTextModelTreeSitter(model: ITextModel, parseImmediately?: boolean): Promise<ITextModelTreeSitter | undefined>;
}
export interface ITreeSitterParseResult {
    readonly tree: Parser.Tree | undefined;
    readonly language: Parser.Language;
    versionId: number;
}
export interface ITextModelTreeSitter {
    /**
     * For testing purposes so that the time to parse can be measured.
     */
    parse(languageId?: string): Promise<ITreeSitterParseResult | undefined>;
    dispose(): void;
}