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 { OpSchema } from '../oak-app-domain/ExtraFile/Schema';
import { Cos } from '../types/Cos';
export type FileState = 'local' | 'uploading' | 'uploaded' | 'failed';
export interface ChunkOptions {
    chunkSize: number;
    parallelism?: number;
    retryTimes?: number;
    retryDelay?: number;
}
export declare class ExtraFile<ED extends EntityDict> extends Feature {
    private cache;
    private application;
    private files;
    private fileUpLoad;
    private uploadIdToTaskId;
    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(options: {
        extraFile: ED['extraFile']['OpSchema'];
        file: File | string;
        style?: string;
        getPercent?: Function;
        chunkOptions?: ChunkOptions;
    }): Promise<string>;
    /**
     * 中止上传
     * @param extraFileId ExtraFile的ID
     */
    abortUpload(extraFileId: string): void;
    private doUpload;
    private uploadToAspect;
    /**
     * 生成上传ID列表，请确保在cos实现时，该方法生成的ID与upload方法中调用的上传接口的任务ID一致
     */
    generateUploadId(extraFile: Partial<OpSchema>): string[];
}