import { Event } from "@js-soft/ts-utils";
import { NotificationItem } from "@nmshd/content";
import { CoreAddress } from "@nmshd/core-types";
import { AccountController } from "@nmshd/transport";
import { ConsumptionController } from "../../../consumption/ConsumptionController";
import { ValidationResult } from "../../common";
import { LocalNotification } from "../local/LocalNotification";
export interface INotificationItemProcessor<TNotificationItem extends NotificationItem = NotificationItem> {
    checkPrerequisitesOfIncomingNotificationItem(notificationItem: TNotificationItem, notification: LocalNotification): ValidationResult | Promise<ValidationResult>;
    process(notificationItem: TNotificationItem, notification: LocalNotification): Event | void | Promise<Event | void>;
    rollback(notificationItem: TNotificationItem, notification: LocalNotification): void | Promise<void>;
}
export declare abstract class AbstractNotificationItemProcessor<TNotificationItem extends NotificationItem = NotificationItem> implements INotificationItemProcessor<TNotificationItem> {
    protected readonly consumptionController: ConsumptionController;
    protected accountController: AccountController;
    protected currentIdentityAddress: CoreAddress;
    constructor(consumptionController: ConsumptionController);
    abstract checkPrerequisitesOfIncomingNotificationItem(notificationItem: TNotificationItem, notification: LocalNotification): ValidationResult | Promise<ValidationResult>;
    /**
     * Processor of notification item run after successful validation.
     *
     * NOTE: process() is responsible for its own cleanup. If during its
     *       execution an irrecoverable error is encountered, any work done up
     *       to this point has to be reverted in-place, before raising an
     *       exception.
     */
    abstract process(notificationItem: TNotificationItem, notification: LocalNotification): Event | void | Promise<Event | void>;
    /**
     * Rollback function triggered in case of an error of any subsequent
     * notification item within the notification. rollback() has to revert all
     * changes performed by a successful execution of process().
     */
    abstract rollback(notificationItem: TNotificationItem, notification: LocalNotification): void | Promise<void>;
}
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