export interface KeyValue extends Object {
    [k: string]: any;
}
export interface EmailAddress {
    name: string;
    email: string;
}
/**
 * parse result
 */
export interface ParsedEmlJson {
    headers: EmlHeaders;
    body?: string | (BoundaryConvertedData | null)[];
}
/**
 * read result
 */
export interface ReadedEmlJson {
    date: Date | string;
    subject: string;
    from: EmailAddress | EmailAddress[] | null;
    to: EmailAddress | EmailAddress[] | null;
    cc?: EmailAddress | EmailAddress[] | null;
    headers: EmlHeaders;
    multipartAlternative?: {
        'Content-Type': string;
    };
    text?: string;
    textheaders?: BoundaryHeaders;
    html?: string;
    htmlheaders?: BoundaryHeaders;
    attachments?: Attachment[];
    data?: string;
}
/**
 * Attachment file
 */
export interface Attachment {
    name: string;
    contentType: string;
    inline: boolean;
    data: string | Uint8Array;
    data64: string;
    filename?: string;
    mimeType?: string;
    id?: string;
    cid?: string;
}
/**
 * EML headers
 * @description `MIME-Version`, `Accept-Language`, `Content-Language` and `Content-Type` shuld Must exist when to build a EML file
 */
export interface EmlHeaders extends KeyValue {
    Date?: string;
    Subject?: string;
    From?: string;
    To?: string;
    Cc?: string;
    CC?: string;
    'Content-Disposition'?: string | null;
    'Content-Type'?: string | null;
    'Content-Transfer-Encoding'?: string;
    'MIME-Version'?: string;
    'Content-ID'?: string;
    'Accept-Language'?: string;
    'Content-Language'?: string;
    'Content-type'?: string | null;
    'Content-transfer-encoding'?: string;
}
export interface Options {
    headersOnly: boolean;
}
/**
 * encode is not realized yet
 */
export interface BuildOptions extends Options {
    encode?: boolean;
}
export type CallbackFn<T> = (error: any, result?: T) => void;
export type OptionOrNull = Options | null;
/**
 * BoundaryRawData
 */
export interface BoundaryRawData {
    boundary: string;
    lines: string[];
}
/**
 * Convert BoundaryRawData result
 */
export interface BoundaryConvertedData {
    boundary: string;
    part: {
        headers: BoundaryHeaders;
        body: string | Array<BoundaryConvertedData | string>;
    };
}
export interface BoundaryHeaders extends KeyValue {
    'Content-Type': string;
    'Content-Transfer-Encoding'?: string;
    'Content-Disposition'?: string;
}