import { EntityDict } from '../../oak-app-domain';
import { CosBackend } from "../../types/Cos";
import { OpSchema } from '../../oak-app-domain/ExtraFile/Schema';
import Qiniu from './qiniu';
export default class QiniuBackend extends Qiniu implements CosBackend<EntityDict> {
    private getConfigAndInstance;
    formUploadMeta(application: EntityDict['application']['Schema'], extraFile: OpSchema): Promise<void>;
    checkWhetherSuccess(application: EntityDict['application']['Schema'], extraFile: OpSchema): Promise<boolean>;
    removeFile(application: EntityDict['application']['Schema'], extraFile: OpSchema): Promise<void>;
}