import type { ReplyMode } from "../types.js";
import type { EmailLogger } from "../utils/logger.js";
export interface EmailGroup {
    to: string[];
    cc: string[];
    subject?: string;
    textBlocks: string[];
    attachments: string[];
}
interface ParsedEmailReply {
    to: string[];
    cc: string[];
    subject?: string;
    attachments: string[];
    cleanText: string;
}
/**
 * Parse email reply tags from text (AI response or user email body)
 * Supports: <email_to>, <email_cc>, <email_subject>, <email_attach>
 * Tolerant parsing: allows whitespace variations
 */
export declare function parseEmailReplyTags(text: string): ParsedEmailReply;
/**
 * Compute a stable group key from to + cc addresses.
 */
export declare function buildGroupKey(to: string[], cc: string[], email: {
    from: string;
    to: string[];
    cc: string[];
}, myEmail: string): string;
export interface ReplyModeDispatcherOptions {
    replyMode: ReplyMode;
    email: {
        from: string;
        to: string[];
        cc: string[];
        subject: string;
    };
    myEmail: string;
    log: EmailLogger;
    /** immediate / complete mode: send single text */
    sendOnce: (text: string) => Promise<void>;
    /** accumulated mode: send a collected group */
    sendGroup: (group: EmailGroup) => Promise<void>;
    /**
     * Optional: return true if the text is a stop token (e.g. REPLY_SKIP).
     * When true, sending is suppressed and the reply chain is terminated.
     */
    isStopToken?: (text: string) => boolean;
}
export interface ReplyModeDispatcher {
    /** Pass as dispatcherOptions.deliver */
    deliver: (payload: any, context?: {
        kind?: string;
    }) => Promise<void>;
    /** Call after dispatch completes: sends accumulated groups or complete fallback */
    flush: () => Promise<void>;
}
/**
 * Create a reply-mode dispatcher that encapsulates the state machine for
 * immediate / accumulated / complete delivery modes.
 */
export declare function createReplyModeDispatcher(opts: ReplyModeDispatcherOptions): ReplyModeDispatcher;
export {};