export interface DirectiveTransformerOptions {
    /**
     * The directive to look for in the code.
     */
    directive: string;
    /**
     * The path to the module to import from.
     */
    importPath: string;
    /**
     * The name of the import to use.
     */
    importName: string;
    /**
     * Whether to only allow async functions.
     */
    asyncOnly?: boolean;
}
/**
 * Creates a transformer that looks for a specific directive in the code and rewrites it accordingly by
 * wrapping the function in a call to the imported higher-order function.
 * @param options The options for the transformer.
 * @returns A function that takes the source code and arguments and returns the transformed code.
 */
export declare function createDirectiveTransformer(options: DirectiveTransformerOptions): (source: string, args: any) => Promise<{
    contents: any;
    loader: any;
}>;