import { AxiosInstance, AxiosProgressEvent } from 'axios';
import { FileArgs } from './types';
export declare class FrappeFileUpload {
    /** URL of the Frappe App instance */
    private readonly appURL;
    /** Axios instance */
    readonly axios: AxiosInstance;
    /** Whether to use the token based auth */
    readonly useToken: boolean;
    /** Token to be used for authentication */
    readonly token?: () => string;
    /** Type of token to be used for authentication */
    readonly tokenType?: 'Bearer' | 'token';
    /** Custom Headers to be passed in request */
    readonly customHeaders?: object;
    constructor(appURL: string, axios: AxiosInstance, useToken?: boolean, token?: () => string, tokenType?: 'Bearer' | 'token', customHeaders?: object);
    /**
     * Upload file to database
     * @param {File} file to be uploaded
     * @param {@type FileArgs} args arguments of the file
     * @param {VoidFunction} onProgress file upload progress
     * @returns Promise which resolves with the file object
     */
    uploadFile<T = any>(file: File, args: FileArgs<T>, onProgress?: (bytesUploaded: number, totalBytes?: number, progress?: AxiosProgressEvent) => void, apiPath?: string): Promise<import("axios").AxiosResponse<any, any, {}>>;
}