import { ResponseBodyMixin } from '@aws-amplify/core/internals/aws-client-utils';
export type StorageItem = {
    /**
     * Key of the object
     */
    key: string;
    /**
     * Creation date of the object.
     */
    lastModified?: Date;
    /**
     * Size of the body in bytes.
     */
    size?: number;
    /**
     * An entity tag (ETag) is an opaque identifier assigned by a web server to a specific version of a resource found at
     * a URL.
     */
    eTag?: string;
    /**
     * The user-defined metadata for the object uploaded to S3.
     * @see https://docs.aws.amazon.com/AmazonS3/latest/userguide/UsingMetadata.html#UserMetadata
     */
    metadata?: Record<string, string>;
};
export type StorageDownloadDataOutput<T extends StorageItem> = T & {
    body: ResponseBodyMixin;
};
export type StorageGetUrlOutput = {
    /**
     * presigned URL of the given object.
     */
    url: URL;
    /**
     * expiresAt is date in which generated URL expires.
     */
    expiresAt: Date;
};
export type StorageUploadOutput<Item extends StorageItem> = Item;
export type StorageListOutput<Item extends StorageItem> = {
    items: Item[];
};