/// <reference types="node" />
import * as plist from 'plist';
import { Transform, TransformCallback, Writable } from 'stream';
export declare function processEmlxs(inputDir: string, outputDir: string, ignoreErrors?: boolean, skipDeleted?: boolean): Promise<void>;
export declare function imapImport(inputDir: string, options: {
    port: number;
    ignoreErrors?: boolean;
    skipDeleted?: boolean;
    tls: 'yes' | 'no';
    host: string;
    user: string;
    pass: string;
    mailbox: string;
}): Promise<void>;
/**
 * Process a single .emlx or .partial.emlx file.
 *
 * @param emlxFile Path to the file.
 * @param resultStream The stream to which to write the result.
 * @param ignoreErrors `true` to suppress throwing errors
 * (e.g. when attachment is missing). In this case, the
 * result array will contain a list of errors.
 * @returns List of error messages (when `ignoreErrors` was enabled)
 */
export declare function processEmlx(emlxFile: string, resultStream: Writable, ignoreErrors?: boolean, skipDeleted?: boolean): Promise<{
    messages: string[];
    flags: EmlxFlags[];
    plData: plist.PlistObject;
}>;
export declare const EmlxFlagNames: readonly ["read", "deleted", "answered", "encrypted", "flagged", "recent", "draft", "initial", "forwarded", "redirected", "signed", "junk", "notJunk"];
export declare type EmlxFlags = typeof EmlxFlagNames[number];
export declare class SkipEmlxTransform extends Transform {
    private bytesToRead;
    private bytesRead;
    private skipDeleted;
    private plistChunks;
    readonly flags: EmlxFlags[];
    plData: plist.PlistObject;
    constructor(skipDeleted?: boolean);
    _transform(chunk: Buffer, _encoding: string, callback: TransformCallback): void;
    _flush(callback: TransformCallback): void;
}
export declare function processCli(): void;