import { CreationOptional, DataTypes, InferAttributes, InferCreationAttributes } from 'sequelize';
import { TenantModel } from '../tenant-model';
import type { DiscountAmount } from './types';
export declare const nextInvoiceItemId: (size?: number) => string;
export type InvoiceLineItem = {
    id: string;
};
export declare class InvoiceItem extends TenantModel<InferAttributes<InvoiceItem>, InferCreationAttributes<InvoiceItem>> {
    id: CreationOptional<string>;
    livemode: boolean;
    instance_did?: string;
    amount: string;
    quantity: number;
    description: string;
    period?: {
        start: number;
        end: number;
    };
    currency_id: string;
    customer_id: string;
    price_id: string;
    invoice_id: string;
    subscription_id?: string;
    subscription_item_id?: string;
    test_clock_id?: string;
    tax_rate_id?: string;
    discountable: boolean;
    discount_amounts: DiscountAmount[];
    discounts: string[];
    proration: boolean;
    proration_details: {
        credited_items?: {
            invoice_id: string;
            invoice_line_items: string[];
        };
    };
    metadata: Record<string, any>;
    created_at: CreationOptional<Date>;
    updated_at: CreationOptional<Date>;
    static readonly GENESIS_ATTRIBUTES: {
        id: {
            type: DataTypes.StringDataType;
            primaryKey: boolean;
            allowNull: boolean;
            defaultValue: (size?: number) => string;
        };
        livemode: {
            type: DataTypes.AbstractDataTypeConstructor;
            allowNull: boolean;
        };
        amount: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        quantity: {
            type: DataTypes.IntegerDataTypeConstructor;
            allowNull: boolean;
        };
        description: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        period: {
            type: DataTypes.AbstractDataTypeConstructor;
            allowNull: boolean;
        };
        customer_id: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        currency_id: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        price_id: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        invoice_id: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        subscription_id: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        subscription_item_id: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        tax_rate_id: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        discountable: {
            type: DataTypes.AbstractDataTypeConstructor;
            allowNull: boolean;
        };
        discount_amounts: {
            type: DataTypes.AbstractDataTypeConstructor;
            defaultValue: never[];
        };
        discounts: {
            type: DataTypes.AbstractDataTypeConstructor;
            defaultValue: never[];
        };
        proration: {
            type: DataTypes.AbstractDataTypeConstructor;
            defaultValue: boolean;
        };
        proration_details: {
            type: DataTypes.AbstractDataTypeConstructor;
            allowNull: boolean;
        };
        metadata: {
            type: DataTypes.AbstractDataTypeConstructor;
            defaultValue: {};
        };
        created_at: {
            type: DataTypes.DateDataTypeConstructor;
            defaultValue: DataTypes.AbstractDataTypeConstructor;
            allowNull: boolean;
        };
        updated_at: {
            type: DataTypes.DateDataTypeConstructor;
            defaultValue: DataTypes.AbstractDataTypeConstructor;
            allowNull: boolean;
        };
    };
    static initialize(sequelize: any): void;
    static associate(models: any): void;
    static isPriceUsed(priceId: string): Promise<boolean>;
}
export type TInvoiceItem = InferAttributes<InvoiceItem>;