import type { LanguageService } from '@volar/language-service';
import type { Connection } from 'vscode-languageserver';
import type { URI } from 'vscode-uri';
import type { LanguageServerProject } from '../types';
/**
 * A project that fails to provide a language service fails only the request or diagnostics pass
 * that asked for it; the error is logged instead of becoming an unhandled rejection.
 */
export declare function getLanguageService(connection: Connection, project: LanguageServerProject, uri: URI): Promise<LanguageService | undefined>;