import { NecOssInterface } from './oss.interface';
export declare class NecOssService {
    private ossInterface;
    private ossToken;
    private ossClient;
    private multiUploadList;
    constructor(ossInterface: NecOssInterface);
    signatureUrl(resId: string, key: string): Promise<string>;
    uploadBase64Image(base64Data: string, fileName: string, resId: string, tokenResId?: string): Promise<string>;
    upload(file: File, resId: string, tokenResId?: string): Promise<string>;
    multiPartUpload(file: File, resId: string, progress: Function, tokenResId?: string): Promise<string>;
    abortMultipartUpload(resId: string, key: string, uploadId: string): Promise<any>;
    stopMultiUpload(resId: string, key: string, uploadId: string): Promise<void>;
    continueMultiUpload(resId: string, key: string, uploadId: string): Promise<void>;
    private getOssTokenAndClientByResId;
    private createKey;
    private createUUID;
    private dataURLtoBlob;
}