import { Feature } from 'oak-frontend-base/es/types/Feature';
import { Cache } from 'oak-frontend-base/es/features/cache';
import { EntityDict } from '../oak-app-domain';
import { Application } from './application';
import { Cos } from '../types/Cos';
export type FileState = 'local' | 'uploading' | 'uploaded' | 'failed';
export declare class ExtraFile<ED extends EntityDict> extends Feature {
    private cache;
    private application;
    private files;
    constructor(cache: Cache<ED>, application: Application<ED>);
    registerCos(clazzes: Array<new () => Cos<ED>>): void;
    addLocalFile(id: string, file: File | string): void;
    removeLocalFiles(ids: string[]): void;
    upload(id: string): Promise<void>;
    getUrl(extraFile?: Partial<EntityDict['extraFile']['OpSchema']>, style?: string): string;
    getFileState(id: string): {
        state: FileState;
        percentage?: number;
    } | undefined;
    getFileName(extraFile: ED['extraFile']['OpSchema']): string;
    formatBytes(size: number): string;
    autoUpload(extraFile: ED['extraFile']['OpSchema'], file: File | string, style?: string, getPercent?: Function): Promise<string>;
    private uploadToAspect;
}