import { CloudEventMethodDecorator } from './types.js';
import { CloudEvent } from '../models/cloud-event/cloud-event.js';
import { MessageAttributeValue } from '@aws-sdk/client-sns';
/**
 * Represents the next target to publish the event to.
 */
export interface NextTarget {
    /**
     * The ARN of a valid SNS topic.
     */
    snsTopicArn: string;
}
/**
 * A set of properties describing how to publish an event
 * to the next middlewares in a pipeline.
 */
export interface NextProps {
    /**
     * The next target to publish the event to.
     */
    target: NextTarget;
    /**
     * Additional attributes to associate with the
     * SNS event attributes.
     */
    attributes?: Record<string, MessageAttributeValue>;
    /**
     * Whether to log the event.
     */
    logEvent?: boolean;
}
/**
 * Publishes the given cloud event to an SNS topic
 * for further processing by the next middlewares.
 * This function can be invoked by environments where
 * decorators are not supported.
 * @param event the cloud event object to publish.
 * @param props the properties to use.
 */
export declare const nextAsync: (event: CloudEvent, props?: NextProps) => Promise<import("@aws-sdk/client-sns").PublishCommandOutput | null>;
/**
 * Passes the cloud event produced by the decorated function
 * to the next middlewares.
 * @param props the properties to use.
 * @returns the decoration function.
 */
export declare const next: (props?: NextProps) => CloudEventMethodDecorator;