import { CreationOptional, DataTypes, InferAttributes, InferCreationAttributes } from 'sequelize';
import { TenantModel } from '../tenant-model';
export declare const nextCreditTransactionId: (size?: number) => string;
export declare class CreditTransaction extends TenantModel<InferAttributes<CreditTransaction>, InferCreationAttributes<CreditTransaction>> {
    id: CreationOptional<string>;
    instance_did?: string;
    quantity: string;
    credit_amount: string;
    remaining_balance: string;
    customer_id: string;
    credit_grant_id: string;
    meter_id?: string;
    subscription_id?: string;
    source?: string;
    meter_event_name: string;
    meter_unit: string;
    description?: string;
    metadata?: Record<string, any>;
    transfer_status?: 'pending' | 'completed' | 'failed' | null;
    transfer_hash?: string;
    created_at: CreationOptional<Date>;
    updated_at: CreationOptional<Date>;
    static readonly GENESIS_ATTRIBUTES: {
        id: {
            type: DataTypes.StringDataType;
            primaryKey: boolean;
            allowNull: boolean;
            defaultValue: (size?: number) => string;
        };
        quantity: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        credit_amount: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        remaining_balance: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        customer_id: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        credit_grant_id: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        meter_id: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        subscription_id: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        source: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        meter_event_name: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        meter_unit: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        description: {
            type: DataTypes.TextDataTypeConstructor;
            allowNull: boolean;
        };
        metadata: {
            type: DataTypes.AbstractDataTypeConstructor;
            allowNull: boolean;
        };
        transfer_status: {
            type: DataTypes.EnumDataType<"completed" | "failed" | "pending">;
            allowNull: boolean;
        };
        transfer_hash: {
            type: DataTypes.StringDataType;
            allowNull: boolean;
        };
        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 getUsageSummary({ customerId, subscriptionId, meterEventName, currencyId, meterId, startTime, endTime, }: {
        customerId?: string;
        subscriptionId?: string;
        meterEventName?: string;
        currencyId?: string;
        meterId?: string;
        startTime?: Date;
        endTime?: Date;
    }): Promise<{
        total_quantity: string;
        total_credit_amount: string;
        transaction_count: number;
        filters: {
            customer_id: string | undefined;
            subscription_id: string | undefined;
            meter_event_name: string | undefined;
            meter_id: string | undefined;
            currency_id: string | undefined;
            start_time: string | undefined;
            end_time: string | undefined;
        };
    }>;
    static getUsageSummaryForCustomer(customerId: string, meterEventName?: string, startTime?: Date, endTime?: Date): Promise<{
        total_quantity: string;
        total_credit_amount: string;
        transaction_count: number;
        filters: {
            customer_id: string | undefined;
            subscription_id: string | undefined;
            meter_event_name: string | undefined;
            meter_id: string | undefined;
            currency_id: string | undefined;
            start_time: string | undefined;
            end_time: string | undefined;
        };
    }>;
    static getUsageSummaryForSubscription(subscriptionId: string, startTime?: Date, endTime?: Date): Promise<{
        total_quantity: string;
        total_credit_amount: string;
        transaction_count: number;
        filters: {
            customer_id: string | undefined;
            subscription_id: string | undefined;
            meter_event_name: string | undefined;
            meter_id: string | undefined;
            currency_id: string | undefined;
            start_time: string | undefined;
            end_time: string | undefined;
        };
    }>;
    static getUsageTrend(customerId: string, meterEventName: string, startTime: Date, endTime: Date): Promise<CreditTransaction[]>;
}
export type TCreditTransaction = InferAttributes<CreditTransaction>;