package foundation.io.object; public interface IFileLetter { public static String Category = "category"; public static String FileId = "fileId"; public static String ApplyDataName = "apply_dataname"; public static String ApplyTypeCode = "apply_type_code"; public static String FilePath = "file_path"; public static String Action = "action"; public static String Field_FileId = "field_fileId"; public static String Field_FileName = "field_fileName"; }