export interface TrailingNewlineOptions {
    trimTrailingNewlines?: "single-required" | "single-if-present" | "never";
}
export declare function handleTrailingNewlines(text: Promise<string>, options?: TrailingNewlineOptions): Promise<string>;
export declare function wrapHandleTrailingNewlinesForResponder(v: {
    response(): {
        text: () => Promise<string>;
    };
}): (options?: TrailingNewlineOptions) => Promise<string>;
export declare function wrapHandleTrailingNewlinesForResponse(response: Response): Response & {
    text: (options?: TrailingNewlineOptions) => Promise<string>;
};