import * as pulumi from "@pulumi/pulumi";
import * as lambda from "../lambda";
import * as queue from "./queue";
export interface QueueEvent {
    Records: QueueRecord[];
}
export interface QueueRecord {
    messageId: string;
    receiptHandle: string;
    body: string;
    attributes: {
        ApproximateReceiveCount: string;
        SentTimestamp: string;
        SenderId: string;
        ApproximateFirstReceiveTimestamp: string;
    };
    messageAttributes: Record<string, any>;
    md5OfBody: string;
    eventSource: string;
    eventSourceARN: string;
    awsRegion: string;
}
export type QueueEventHandler = lambda.EventHandler<QueueEvent, void>;
/**
 * Arguments to control the sqs subscription.
 */
export type QueueEventSubscriptionArgs = {
    /**
     * The largest number of records that AWS Lambda will retrieve. The maximum batch size supported
     * by Amazon Simple Queue Service is up to 10 queue messages per batch. The default setting is
     * 10.
     *
     * See https://docs.aws.amazon.com/lambda/latest/dg/with-sqs.html for more details.
     */
    batchSize?: number;
    /**
     * The maximum amount of time, in seconds, that AWS Lambda spends gathering records before invoking the function.
     * The default setting is 0.
     */
    maximumBatchingWindowInSeconds?: number;
};
export declare class QueueEventSubscription extends lambda.EventSubscription {
    readonly queue: queue.Queue;
    /**
     * The underlying sns object created for the subscription.
     */
    readonly eventSourceMapping: lambda.EventSourceMapping;
    constructor(name: string, queue: queue.Queue, handler: QueueEventHandler, args?: QueueEventSubscriptionArgs, opts?: pulumi.ComponentResourceOptions);
}
declare module "./queue" {
    interface Queue {
        /**
         * Creates a new subscription to events fired from this Queue to the handler provided, along
         * with options to control the behavior of the subscription.
         */
        onEvent(name: string, handler: QueueEventHandler, args?: QueueEventSubscriptionArgs, opts?: pulumi.ComponentResourceOptions): QueueEventSubscription;
    }
}