import { Credential, StsReadRequest, StsWriteRequest, UploadRecordRequest } from '../constant/common.model';
export declare class CosService {
    getWriteSts(stsWriteRequest: StsWriteRequest): Promise<Credential>;
    saveUploadRecord(uploadRecordRequest: UploadRecordRequest): Promise<Boolean>;
    getReadSts(stsReadRequest: StsReadRequest): Promise<Credential>;
}