/**
 * Body formatting shared by every surface that renders an email body —
 * get_email, get_emails, get_thread, and the CLI. One definition so the
 * `format` contract cannot drift between tools (it previously did: three
 * near-duplicates with different HTML handling).
 */
export type BodyFormat = 'full' | 'text' | 'stripped';
/**
 * Undo the soft line wrapping of a `text/plain; format=flowed` body (RFC 3676).
 *
 * Thunderbird, Apple Mail and most Linux clients send flowed text: a line
 * ending in a space continues on the next one, and only a line without that
 * space is a real break. Read literally, a paragraph arrives hard-wrapped at
 * seventy-two columns with trailing whitespace — which also leaves
 * stripReplyChain matching against lines the sender never broke.
 *
 * `delSp` mirrors the DelSp parameter: when the sender set it, the trailing
 * space marked the wrap and is not part of the text.
 */
export declare function unflowFormatFlowed(text: string, delSp?: boolean): string;
/** Default body cap for a single-message fetch (get_email). */
export declare const DEFAULT_SINGLE_BODY_MAX = 10000;
/** Default per-message body cap for bulk fetches (get_emails, get_thread). */
export declare const DEFAULT_MULTI_BODY_MAX = 5000;
/**
 * Applies the requested body format and optional character cap.
 *
 * - full:     raw bodyText ?? bodyHtml (preserves the original part)
 * - text:     prefers bodyText; converts bodyHtml to readable text if needed
 * - stripped: like text, but also removes quoted reply chains and signatures
 *
 * `maxLength` of 0 (or undefined) means unlimited; otherwise the body is cut
 * and a hint names how many characters remain.
 */
export declare function applyBodyFormat(bodyText: string | undefined, bodyHtml: string | undefined, format: BodyFormat, maxLength?: number): string;
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