import type * as AWS from '@aws-sdk/client-s3';
import type { CollectionConfig, PayloadRequest } from 'payload';
export type SignedDownloadsConfig = {
    /** @default 7200 */
    expiresIn?: number;
    shouldUseSignedURL?(args: {
        collection: CollectionConfig;
        filename: string;
        req: PayloadRequest;
    }): boolean | Promise<boolean>;
} | boolean;
interface GetFileArgs {
    bucket: string;
    client: AWS.S3;
    clientUploadContext?: unknown;
    collection: CollectionConfig;
    collectionPrefix?: string;
    filename: string;
    incomingHeaders?: Headers;
    prefixQueryParam?: string;
    req: PayloadRequest;
    signedDownloads: SignedDownloadsConfig;
    useCompositePrefixes?: boolean;
}
export declare function getFile({ bucket, client, clientUploadContext, collection, collectionPrefix, filename, incomingHeaders, prefixQueryParam, req, signedDownloads, useCompositePrefixes, }: GetFileArgs): Promise<Response>;
export {};
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