import * as business from "./index.js";
import * as finance from "../finance/index.js";
/**
 * Letter-specific envelope extending the base document type
 */
export type TLetterEnvelope<TYPE extends string, FIELDS> = business.TDocumentEnvelope<TYPE, {
    /**
     * The incident or case ID this letter relates to
     */
    incidenceId: string;
    /**
     * The sender of the letter
     */
    from: business.TContact;
    /**
     * The recipient of the letter
     */
    to: business.TContact;
    /**
     * The legal contact is the contact that is responsible for the letter
     * this is often the same as the from contact, but not always
     */
    legalContact?: business.TContact;
    /**
     * Subject line of the letter
     */
    subject: string;
    /**
     * Cover sheet configuration for the letter
     */
    coverSheet?: {
        enabled: boolean;
        coverSheetText: string;
        /**
         * if true, the cover sheet will be marked as confidential
         * hinting that only authorized persons should handle the letter
         */
        confidential: boolean;
    };
} & FIELDS>;
export type TLetterSimple = TLetterEnvelope<"simple", {}>;
export type TLetter = TLetterSimple | finance.TInvoice;