import type { Attachment } from "../types/emails";
/** Splits raw header section into an unfolded, MIME-word-decoded map (lowercased names). */
export declare function parseHeaders(raw: string): Record<string, string>;
/** Splits an address header value (e.g. "Name <a@b.c>, d@e.f") into individual addresses. */
export declare function parseAddresses(value: string): string[];
export declare function parseContentType(value: string): {
    mimeType: string;
    params: Record<string, string>;
};
export type ParsedPart = {
    contentType: string;
    charset?: string;
    encoding: string;
    boundary?: string;
    disposition: "inline" | "attachment" | "none";
    filename?: string;
    contentId?: string;
    headers: Record<string, string>;
    body: Uint8Array;
    children: ParsedPart[];
};
/** Parses a raw MIME message/part (bytes) into a structural tree. */
export declare function parseMime(raw: Uint8Array, depth?: number): ParsedPart;
export type ExtractedContent = {
    text?: string;
    html?: string;
    attachments: Attachment[];
};
/** Walks a parsed MIME tree, collecting body text and attachments. */
export declare function extractContent(root: ParsedPart): ExtractedContent;