import { GetObjectCommand, HeadObjectCommand, GetObjectCommandInput, S3ClientConfig } from '@aws-sdk/client-s3';
import { RequestPresigningArguments } from '@aws-sdk/types';
declare type QueryParams = {
    [key: string]: string;
};
/**
 * Class to use when interacting with S3
 *
 */
declare class S3ObjectStore {
    private readonly s3;
    private readonly middlewareName;
    private queryParams;
    constructor(config?: Partial<S3ClientConfig>);
    getQueryParams(): QueryParams;
    setQueryParams(queryParams: QueryParams): void;
    getS3SignedUrlWithCustomQueryParams(command: GetObjectCommand | HeadObjectCommand, presignOptions?: RequestPresigningArguments): Promise<string>;
    /**
     * Returns an HTTPS URL that can be used to perform a GET on the given object
     * store URL
     *
     * @param {string} objectUrl - the URL of the object to sign
     * @param {string} [options] - options to pass to S3.getObject
     * @param {string} [queryParams] - a mapping of parameter key/values to put in the URL
     * @param {RequestPresigningArguments} presignOptions - presignOptions
     * @returns {Promise<string>} a signed URL
     * @throws TypeError - if the URL is not a recognized protocol or cannot be parsed
     */
    signGetObject(objectUrl: string, options?: Partial<GetObjectCommandInput>, queryParams?: QueryParams, presignOptions?: RequestPresigningArguments): Promise<string>;
    /**
     * Returns an HTTPS URL that can be used to perform a HEAD on the given object
     * store URL
     *
     * @param {string} objectUrl - the URL of the object to sign
     * @param {string} [options] - options to pass to S3.getObject
     * @param {string} [queryParams] - a mapping of parameter key/values to put in the URL
     * @param {RequestPresigningArguments} presignOptions - presignOptions
     * @returns {Promise<string>} a signed URL
     * @throws TypeError - if the URL is not a recognized protocol or cannot be parsed
     */
    signHeadObject(objectUrl: string, options: {
        [key: string]: string;
    } | undefined, queryParams: QueryParams, presignOptions?: RequestPresigningArguments): Promise<string>;
}
export = S3ObjectStore;
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