/**
 * FHIR Invoice resource class implementing the NRCES Invoice profile
 * https://nrces.in/ndhm/fhir/r4/StructureDefinition/Invoice
 */
export declare const INVOICE_TYPE_CODES: {
    readonly CONSULTATION: {
        readonly code: "00";
        readonly display: "Consultation";
        readonly system: "https://nrces.in/ndhm/fhir/r4/CodeSystem/ndhm-billing-codes";
    };
    readonly PHARMACY: {
        readonly code: "01";
        readonly display: "Pharmacy";
        readonly system: "https://nrces.in/ndhm/fhir/r4/CodeSystem/ndhm-billing-codes";
    };
    readonly IPD: {
        readonly code: "02";
        readonly display: "IPD";
        readonly system: "https://nrces.in/ndhm/fhir/r4/CodeSystem/ndhm-billing-codes";
    };
    readonly OPD: {
        readonly code: "03";
        readonly display: "OPD";
        readonly system: "https://nrces.in/ndhm/fhir/r4/CodeSystem/ndhm-billing-codes";
    };
    readonly OTHERS: {
        readonly code: "99";
        readonly display: "Others";
        readonly system: "https://nrces.in/ndhm/fhir/r4/CodeSystem/ndhm-billing-codes";
    };
};
export declare const PRICE_COMPONENT_CODES: {
    readonly MRP: {
        readonly code: "00";
        readonly display: "MRP";
        readonly system: "https://nrces.in/ndhm/fhir/r4/CodeSystem/ndhm-price-components";
    };
    readonly RATE: {
        readonly code: "01";
        readonly display: "Rate";
        readonly system: "https://nrces.in/ndhm/fhir/r4/CodeSystem/ndhm-price-components";
    };
    readonly DISCOUNT: {
        readonly code: "02";
        readonly display: "Discount";
        readonly system: "https://nrces.in/ndhm/fhir/r4/CodeSystem/ndhm-price-components";
    };
    readonly CGST: {
        readonly code: "03";
        readonly display: "CGST";
        readonly system: "https://nrces.in/ndhm/fhir/r4/CodeSystem/ndhm-price-components";
    };
    readonly SGST: {
        readonly code: "04";
        readonly display: "SGST";
        readonly system: "https://nrces.in/ndhm/fhir/r4/CodeSystem/ndhm-price-components";
    };
};
export interface INVOICE_IDENTIFIER {
    value: string;
    system?: string;
    type?: {
        text: string;
    };
}
export interface PRICE_COMPONENT {
    type: "base" | "surcharge" | "deduction" | "discount" | "tax" | "informational";
    code: {
        coding: Array<{
            system: string;
            code: string;
            display: string;
        }>;
    };
    amount: {
        value: number;
        currency: string;
    };
    factor?: number;
}
export interface INVOICE_LINE_ITEM {
    sequence?: number;
    chargeItemReference: string;
    chargeItemDisplay?: string;
    priceComponent: PRICE_COMPONENT[];
}
export interface INVOICE_OPTIONS {
    id?: string;
    identifier: INVOICE_IDENTIFIER;
    status: "draft" | "issued" | "balanced" | "cancelled" | "entered-in-error";
    type: {
        coding: Array<{
            system: string;
            code: string;
            display: string;
        }>;
        text?: string;
    };
    subject: {
        reference: string;
        display?: string;
    };
    date: string;
    lineItem: INVOICE_LINE_ITEM[];
    totalNet: {
        value: number;
        currency: string;
    };
    totalGross: {
        value: number;
        currency: string;
    };
    recipient?: {
        reference: string;
        display?: string;
    };
    issuer?: {
        reference: string;
        display?: string;
    };
    participant?: Array<{
        role?: {
            coding: Array<{
                system: string;
                code: string;
                display: string;
            }>;
        };
        actor: {
            reference: string;
            display?: string;
        };
    }>;
    account?: {
        reference: string;
        display?: string;
    };
    paymentTerms?: string;
    note?: Array<{
        text: string;
        time?: string;
    }>;
    cancelledReason?: string;
}
export declare class Invoice {
    /**
     * Map internal voucher type to ABDM Invoice type coding
     */
    static mapVoucherTypeToInvoiceType(voucherType: string): {
        coding: Array<{
            system: string;
            code: string;
            display: string;
        }>;
        text: string;
    };
    /**
     * Build a price component for a line item
     */
    static buildPriceComponent(type: PRICE_COMPONENT["type"], code: {
        code: string;
        display: string;
        system: string;
    }, amount: number, currency?: string): PRICE_COMPONENT;
    /**
     * Build price components array for a single line item from GST item data
     */
    static buildLineItemPriceComponents(quantity: number, salePrice: number, discountPercent?: number, cgst?: number, sgst?: number): PRICE_COMPONENT[];
    /**
     * Calculate net total from line items (base - discounts; taxes are added separately in totalGross)
     */
    static calculateNetTotal(lineItems: INVOICE_LINE_ITEM[]): number;
    /**
     * Calculate gross total from line items (base - discounts + taxes)
     */
    static calculateGrossTotal(lineItems: INVOICE_LINE_ITEM[]): number;
    /**
     * Generate the FHIR Invoice resource JSON
     */
    static toFhir(options: INVOICE_OPTIONS): any;
    /**
     * Store an Invoice resource in GCP FHIR store
     */
    static create(options: INVOICE_OPTIONS, creds?: any, dbPath?: any): Promise<any>;
    /**
     * Update an existing Invoice resource
     */
    static update(id: string, options: INVOICE_OPTIONS, creds?: any, dbPath?: any): Promise<any>;
    /**
     * Get Invoice resource from GCP FHIR store
     */
    static get(id: string, creds?: any, dbPath?: any): Promise<any>;
}
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