/// <reference types="node" />
import { TcbService } from '../tcb/tcb.service';
import { ConfigService } from '../config/config.service';
export declare class CloudFileService {
    private readonly tcbService;
    private readonly configService;
    constructor(tcbService: TcbService, configService: ConfigService);
    /**
     * 获取永久文件链接
     */
    getPermanentLink(params: {
        content: Buffer;
        cloudPath: string;
    }): Promise<string>;
    /**
     * 将云存储的文件传到hosting，并且换取永久链接
     *
     * @param params 参数
     * @param params.fieldId 必填。云存储文件的fieldId
     * @param params.clear 可选。上传后是否清除云存储中的文件，默认为false
     * @param params.cloudPath 可选。上传到hosting的路径，默认为随机值
     * @returns 永久链接
     */
    uploadCosFileToHosting(params: {
        fieldId: string;
        clear?: boolean;
        cloudPath?: string;
    }): Promise<string>;
}