EFI_STATUS(EFIAPI * EFI_HTTP_UTILS_PARSE)(IN EFI_HTTP_UTILITIES_PROTOCOL *This, IN CHAR8 *HttpMessage, IN UINTN HttpMessageSize, OUT EFI_HTTP_HEADER **HeaderFields, OUT UINTN *FieldCount)
EFI_STATUS(EFIAPI * EFI_HTTP_UTILS_BUILD)(IN EFI_HTTP_UTILITIES_PROTOCOL *This, IN UINTN SeedMessageSize, IN VOID *SeedMessage OPTIONAL, IN UINTN DeleteCount, IN CHAR8 *DeleteList[] OPTIONAL, IN UINTN AppendCount, IN EFI_HTTP_HEADER *AppendList[] OPTIONAL, OUT UINTN *NewMessageSize, OUT VOID **NewMessage)