import type { TokenAttribute } from '../../core/protocol/tokenizer';
export type EmailAddress = {
    address: string;
    name: string;
};
export type Envelope = {
    bcc?: EmailAddress[];
    cc?: EmailAddress[];
    date?: Date | string;
    from?: EmailAddress[];
    inReplyTo?: string;
    messageId?: string;
    replyTo?: EmailAddress[];
    sender?: EmailAddress[];
    subject?: string;
    to?: EmailAddress[];
};
type EnvelopeEntry = TokenAttribute | EnvelopeEntry[] | null;
export declare const parseEnvelope: (entry: EnvelopeEntry[]) => Envelope;
export {};
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