public getModeId(commaSeparatedMimetypesOrCommaSeparatedIds: string): string {
		var modeIds = LanguageExtensions.extractModeIds(commaSeparatedMimetypesOrCommaSeparatedIds);

		if (modeIds.length > 0) {
			return modeIds[0];
		}

		return null;
	}

	public getMimeForMode(modeId: string): string {
		return LanguageExtensions.getMimeForMode(modeId);
	}

	public getExtensions(alias: string): string[] {
		return LanguageExtensions.getExtensions(alias);
	}

	public getRegisteredLanguageNames(): string[] {
		return LanguageExtensions.getRegisteredLanguageNames();
	}

	public getRegisteredMimetypes(): string[] {
		return LanguageExtensions.getRegisteredMimetypes();
	}

	public isRegisteredMode(mimetypeOrModeId: string): boolean {
		return LanguageExtensions.isRegisteredMode(mimetypeOrModeId);
	}

	public registerMode(def:ILegacyLanguageDefinition): void {
		LanguageExtensions.registerCompatMode(def);
	}

	public getModeIdForLanguageName(alias:string): string {
		return LanguageExtensions.getModeIdForLanguageNameLowercase(alias);
	}

	public getLanguageName(modeId: string): string {
		return LanguageExtensions.getLanguageName(modeId);
	}