import { Disposable } from 'vscode-languageserver-protocol';
import { ConfigService } from '../config_service';
export declare const BASE_SUPPORTED_CODE_SUGGESTIONS_LANGUAGES: string[];
export declare const EXTENSION_TO_LANG_MAP: Map<string, string>;
export interface SupportedLanguagesUpdateParam {
    allow?: string[];
    deny?: string[];
}
export interface SupportedLanguagesService {
    isLanguageEnabled(languageId: string): boolean;
    isLanguageSupported(languageId: string): boolean;
    onLanguageChange(listener: () => void): Disposable;
}
export declare const SupportedLanguagesService: import("@gitlab-org/di").InterfaceId<SupportedLanguagesService>;
export declare class DefaultSupportedLanguagesService implements SupportedLanguagesService {
    #private;
    constructor(configService: ConfigService);
    isLanguageSupported(languageId: string): boolean;
    isLanguageEnabled(languageId: string): boolean;
    onLanguageChange(listener: () => void): Disposable;
    static getLanguageForFile(filename?: string): string | undefined;
}