import { Progress, LocalInfo } from '../upload';
import Logger from '../logger';
export declare const MB: number;
export declare function getChunks(file: File, blockSize: number): Blob[];
export declare function isMetaDataValid(params: {
    [key: string]: string;
}): boolean;
export declare function isCustomVarsValid(params: {
    [key: string]: string;
}): boolean;
export declare function sum(list: number[]): number;
export declare function setLocalFileInfo(localKey: string, info: LocalInfo, logger: Logger): void;
export declare function createLocalKey(name: string, key: string | null | undefined, size: number): string;
export declare function removeLocalFileInfo(localKey: string, logger: Logger): void;
export declare function getLocalFileInfo(localKey: string, logger: Logger): LocalInfo | null;
export declare function getAuthHeaders(token: string): {
    Authorization: string;
};
export declare function getHeadersForChunkUpload(token: string): {
    Authorization: string;
    'content-type': string;
};
export declare function getHeadersForMkFile(token: string): {
    Authorization: string;
    'content-type': string;
};
export declare function createXHR(): XMLHttpRequest;
export declare function computeMd5(data: Blob): Promise<string>;
export declare function readAsArrayBuffer(data: Blob): Promise<ArrayBuffer>;
export interface ResponseSuccess<T> {
    data: T;
    reqId: string;
}
export declare type XHRHandler = (xhr: XMLHttpRequest) => void;
export interface RequestOptions {
    method: string;
    onProgress?: (data: Progress) => void;
    onCreate?: XHRHandler;
    body?: BodyInit | null;
    headers?: {
        [key: string]: string;
    };
}
export declare type Response<T> = Promise<ResponseSuccess<T>>;
export declare function request<T>(url: string, options: RequestOptions): Response<T>;
export declare function getPortFromUrl(url: string | undefined): string;
export declare function getDomainFromUrl(url: string | undefined): string;
interface PutPolicy {
    assessKey: string;
    bucketName: string;
    scope: string;
}
export declare function getPutPolicy(token: string): PutPolicy;
export declare function createObjectURL(file: File): string;
export {};