import type { Command } from "commander";
import { type ParsedMail } from "mailparser";
import type { EmitContext } from "../commander.js";
/**
 * `eml` - Parse Gmail .eml thread exports into clean chronological markdown.
 *
 * Gmail exports a thread as a single .eml where older messages are nested
 * inside `<div class="gmail_quote">` blocks with attribution lines in
 * `<div class="gmail_attr">`. This command reconstructs the full thread
 * in chronological order. Falls back to plain-text quote parsing (`> `
 * prefixes + "On ... wrote:") when HTML is unavailable. Uses the injected
 * EmitContext so composed and standalone consumers share one code path.
 */
interface ThreadMessage {
    from: string;
    date: Date | null;
    body: string;
}
export declare function registerEmlCommand(program: Command, emit: EmitContext): void;
export interface EmlOpts {
    output?: string;
    format: string;
    headers?: boolean;
    attachments?: boolean;
}
/**
 * Extract individual messages from the parsed email.
 * Strategy: use HTML body (Gmail quote structure) first, fall back to plain text.
 */
export declare function extractThread(parsed: ParsedMail): ThreadMessage[];
/**
 * Render the thread as markdown.
 */
export declare function renderMarkdown(parsed: ParsedMail, messages: ThreadMessage[], opts: EmlOpts): string;
export {};
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