import { Duration } from 'aws-cdk-lib';
import { PolicyStatement } from 'aws-cdk-lib/aws-iam';
import { Bucket } from 'aws-cdk-lib/aws-s3';
import { Chain, StateMachine } from 'aws-cdk-lib/aws-stepfunctions';
import { Construct } from 'constructs';
import { BaseDocumentProcessingProps } from '../base-document-processing';
import { IAdapter } from './adapter';
/**
 * Props for the Queued S3 Adapter
 */
export interface QueuedS3AdapterProps {
    /**
     * S3 bucket for document storage with organized prefixes (raw/, processed/, failed/).
     * If not provided, a new bucket will be created with auto-delete enabled based on removalPolicy.
     *
     * @default create a new bucket
     */
    readonly bucket?: Bucket;
    /**
     * S3 prefix where the raw files would be stored.
     * This serves as the trigger point for processing
     *
     * @default "raw/"
     */
    readonly rawPrefix?: string;
    /**
     * S3 prefix where the processed files would be stored.
     *
     * @default "processed/"
     */
    readonly processedPrefix?: string;
    /**
     * S3 prefix where the files that failed processing would be stored.
     *
     * @default "failed/"
     */
    readonly failedPrefix?: string;
    /**
     * SQS queue visibility timeout for processing messages.
     * Should be longer than expected processing time to prevent duplicate processing.
     * @default Duration.seconds(300)
     */
    readonly queueVisibilityTimeout?: Duration;
    /**
     * The number of times a message can be unsuccessfully dequeued before being moved to the dead-letter queue.
     *
     * @default 5
     */
    readonly dlqMaxReceiveCount?: number;
}
/**
 * This adapter allows the intelligent document processing workflow
 * to be triggered by files that are uploaded into a S3 Bucket.
 */
export declare class QueuedS3Adapter implements IAdapter {
    private readonly adapterProps;
    private readonly resources;
    private readonly prefixes;
    constructor(adapterProps?: QueuedS3AdapterProps);
    /**
     * Ensures a prefix ends with '/'.
     * @param prefix - The prefix to normalize
     * @param defaultValue - Default value if prefix is undefined
     * @returns The normalized prefix ending with '/'
     */
    private normalizePrefix;
    init(scope: Construct, props: BaseDocumentProcessingProps): void;
    createIngressTrigger(scope: Construct, stateMachine: StateMachine, props: BaseDocumentProcessingProps): Record<string, any>;
    private createSQSConsumerLambda;
    generateAdapterIAMPolicies(additionalIAMActions?: string[], narrowActions?: boolean): PolicyStatement[];
    createFailedChain(scope: Construct, idPrefix?: string): Chain;
    createSuccessChain(scope: Construct, idPrefix?: string): Chain;
}