deferred class DATA_RESOURCE Ancestors DATA_RESOURCE_ERROR_CONSTANTS HASHABLE* Descendants FILE_PROTOCOL NETWORK_RESOURCE* Clients DATA_RESOURCE* FILE_PROTOCOL FTP_PROTOCOL MULTIPLE_TRANSACTION NETWORK_RESOURCE* SINGLE_TRANSACTION TRANSACTION* TRANSFER_MANAGER TRANSFER_MANAGER_BUILDER_IMPL Suppliers BOOLEAN DATA_RESOURCE* INTEGER_32 STRING_8 URL*