import type { EmailSendInput } from '../../types/index.js';
/**
 * SendGrid-specific narrowed input. SendGrid's templated-email API
 * (`template_id` + `personalizations[].dynamic_template_data`) is intentionally
 * NOT promoted to the narrowed type at v1.0 the >=90% baseline-coverage rule:
 * coverage is ≥90% across providers but the variables payload shape is
 * incoherent across vendors. Templates remain accessible via `_passthrough.body`.
 */
export interface SendgridEmailSendInput extends EmailSendInput {
}
/**
 * SendGrid v3 `mail/send` JSON error body shape. See
 * https://docs.sendgrid.com/api-reference/mail-send/mail-send for the canonical
 * schema; `field` is dotted (e.g., `personalizations.0.to.0.email`).
 */
export interface SendgridErrorResponse {
    errors: Array<{
        message: string;
        field?: string;
        help?: string;
    }>;
}
export interface SendgridPersonalization {
    to: {
        email: string;
        name?: string;
    }[];
    cc?: {
        email: string;
        name?: string;
    }[];
    bcc?: {
        email: string;
        name?: string;
    }[];
    subject?: string;
    dynamic_template_data?: Record<string, unknown>;
}
export interface SendgridAttachment {
    content: string;
    filename: string;
    type?: string;
    disposition?: string;
    content_id?: string;
}
export interface SendgridSendRequestBody {
    personalizations: SendgridPersonalization[];
    from: {
        email: string;
        name?: string;
    };
    subject: string;
    content: {
        type: string;
        value: string;
    }[];
    reply_to?: {
        email: string;
        name?: string;
    };
    attachments?: SendgridAttachment[];
    headers?: Record<string, string>;
    categories?: string[];
    template_id?: string;
}