import { Either, Maybe } from "../external/sanctuary/Sanctuary";
export declare const LOADER_TYPE_XHR = "xhr";
export declare enum LoaderXhrResponseType {
    BLOB = "blob",
    ARRAYBUFFER = "arraybuffer",
    DOCUMENT = "document",
    JSON = "json",
    TEXT = "text",
}
export declare enum LoaderXhrRequestMethod {
    GET = "GET",
    POST = "POST",
    PUT = "PUT",
    DELETE = "DELETE",
}
export declare enum LoaderXhrRequestType {
    PLAIN = "plain",
    FORM = "form",
    MULTIPART = "multipart",
}
export interface LoaderXhrRequest {
    url: string;
    args: any;
    logError: boolean;
    method: LoaderXhrRequestMethod;
    requestType: LoaderXhrRequestType;
    responseType: LoaderXhrResponseType;
    headers?: Array<[string, string]>;
    __loaderType: string;
}
export interface LoaderXhrResponse {
    data: any;
    statusCode: number;
    success: boolean;
    __loaderType: string;
}
export declare type LoaderXhrCallback = (resp: Either<LoaderXhrResponse>) => void;
export declare type LoaderXhrStatus = Maybe<LoaderXhrResponse> | Either<LoaderXhrResponse>;
export declare class LoaderXhr {
    private currentRequest;
    private _status;
    private xhr;
    __loaderType: string;
    constructor(_req?: Partial<LoaderXhrRequest>, _callback?: LoaderXhrCallback);
    load(_req: Partial<LoaderXhrRequest>, _callback?: LoaderXhrCallback): LoaderXhrStatus;
    readonly status: LoaderXhrStatus;
    close(): void;
}
export declare const loadXhrPromise: (req: Partial<LoaderXhrRequest>) => Promise<Either<LoaderXhrResponse>>;
export declare const loadXhrFactory: (req: Partial<LoaderXhrRequest>, callback?: LoaderXhrCallback) => LoaderXhr;
export declare const isLoaderXhr: (arg: any) => arg is LoaderXhr;