import { S3 } from '@aws-sdk/client-s3';
import { AbstractObjectStorageProvider, CompleteUploadRequest, DeleteResult, RefreshSignedUrlsRequest, SignedUploadUrl, Upload } from './AbstractObjectStorageProvider';
import { ObjectStorageObject } from './object-storage-object.entity';
export type S3ObjectStorageProviderOptions = {
    cdnUrlPrefix: string;
    bucket: string;
    keyPrefix: string;
    endpoint?: string;
};
export declare class S3ObjectStorageProvider extends AbstractObjectStorageProvider {
    readonly options: Readonly<S3ObjectStorageProviderOptions>;
    s3: S3;
    constructor(options: Readonly<S3ObjectStorageProviderOptions>);
    private readonly chunkSize;
    private getPartRange;
    private createSignedPartUrl;
    createUpload(object: ObjectStorageObject): Promise<Upload>;
    refreshSignedUrls(object: ObjectStorageObject, request: RefreshSignedUrlsRequest): Promise<SignedUploadUrl[]>;
    completeUpload(object: ObjectStorageObject, completion: CompleteUploadRequest): Promise<void>;
    deleteFile(path: string): Promise<DeleteResult>;
    fileExists(path: string): Promise<boolean>;
}