export declare const FILE_FIELD_NAME = "file";
export declare const LIMIT_FILES = 1;
export declare const DEFAULT_MAX_FILE_SIZE: number;
export declare const STORAGE_TYPE_LOCAL = "local";
export declare const STORAGE_TYPE_ALI_OSS = "ali-oss";
export declare const STORAGE_TYPE_S3 = "s3";
export declare const STORAGE_TYPE_TX_COS = "tx-cos";
