/** Attempts to load the prettier package if it is installed. */
export declare function loadPrettier(): Promise<{
    format: (sourceText: string, options?: Record<string, unknown>) => string;
    resolveConfig: (fileName: string) => Promise<Record<string, unknown> | null>;
} | null>;
/** Attempts to load the tm-grammars package if it is installed. */
export declare function loadTmGrammars(): Promise<{
    grammars: {
        name: string;
        scopeName: string;
    }[];
} | null>;
/** Attempts to load a grammar from the tm-grammars package if it is installed. */
export declare function loadTmGrammar(name: string): Promise<Record<string, any> | null>;
/** Attempts to load a theme from the tm-themes package if it is installed. */
export declare function loadTmTheme(name: string): Promise<Record<string, any> | null>;