import type { Passthrough } from './passthrough.type';
import type { ChannelTypeEnum } from './channel.enum';
export interface EmailAttachment {
    filename: string;
    contentType?: string;
    /**
     * A string is sent as its UTF-8 bytes. Bytes are typed as `Uint8Array` (a
     * Node `Buffer` is one) so the public types do not require `@types/node`.
     */
    content: string | Uint8Array;
    contentId?: string;
}
export interface EmailSendInput {
    from: string;
    to: string;
    cc?: string[];
    bcc?: string[];
    replyTo?: string;
    subject: string;
    text?: string;
    html?: string;
    attachments?: EmailAttachment[];
    headers?: Record<string, string>;
    tags?: string[];
    _passthrough?: Passthrough;
}
export interface EmailSendResult {
    success: boolean;
    status: 'sent' | 'queued' | 'rejected' | 'suppressed' | 'unknown';
    providerMessageId: string | null;
    raw: unknown;
}
export interface IEmailConnector {
    readonly id: string;
    readonly channelType: ChannelTypeEnum.EMAIL;
    send(input: EmailSendInput): Promise<EmailSendResult>;
}