// SPDX-License-Identifier: MIT
// Copyright (c) 2026 TrendVidia, LLC.
syntax = "proto3";

package sbe;

import "google/protobuf/descriptor.proto";

extend google.protobuf.FileOptions {
  // SBE schema identifier. Required on files containing SBE messages.
  uint32 schema_id = 50100;

  // SBE schema version.
  uint32 version = 50101;
}

extend google.protobuf.MessageOptions {
  // SBE message template identifier. Required on each top-level SBE message.
  uint32 template_id = 50200;
}

extend google.protobuf.FieldOptions {
  // Fixed byte length for string and bytes fields.
  // Values longer than this are truncated; shorter values are null-padded.
  uint32 length = 50300;

  // SBE primitive type override. Allows narrowing a proto type to a smaller
  // SBE encoding, e.g. uint32 -> "uint8". Valid values:
  // int8, int16, int32, int64, uint8, uint16, uint32, uint64, float, double.
  string encoding = 50301;
}