Method headObject

tests/unit/DummyService.js:73–78

(params, callback)

        return callback(null, {});
    }
    headObject(params, callback) {
        const retObj = {
            ContentLength: `${1024 * 1024 * 1024}`,
        };
        return callback(null, retObj);
    }
    completeMultipartUpload(params, callback) {
        const retObj = {
            Bucket: params.Bucket,