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// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
syntax = "proto3";
package google.api;
import "google/protobuf/descriptor.proto";
option go_package = "google.golang.org/genproto/googleapis/api/annotations;annotations";
option java_multiple_files = true;
option java_outer_classname = "FieldInfoProto";
option java_package = "com.google.api";
option objc_class_prefix = "GAPI";
extend google.protobuf.FieldOptions {
// Rich semantic descriptor of an API field beyond the basic typing.
//
// Examples:
//
// string request_id = 1 [(google.api.field_info).format = UUID4];
// string old_ip_address = 2 [(google.api.field_info).format = IPV4];
// string new_ip_address = 3 [(google.api.field_info).format = IPV6];
// string actual_ip_address = 4 [
// (google.api.field_info).format = IPV4_OR_IPV6
// ];
google.api.FieldInfo field_info = 291403980;
}
// Rich semantic information of an API field beyond basic typing.
message FieldInfo {
// The standard format of a field value. The supported formats are all backed
// by either an RFC defined by the IETF or a Google-defined AIP.
enum Format {
// Default, unspecified value.
FORMAT_UNSPECIFIED = 0;
// Universally Unique Identifier, version 4, value as defined by
// https://datatracker.ietf.org/doc/html/rfc4122. The value may be
// normalized to entirely lowercase letters. For example, the value
// `F47AC10B-58CC-0372-8567-0E02B2C3D479` would be normalized to
// `f47ac10b-58cc-0372-8567-0e02b2c3d479`.
UUID4 = 1;
// Internet Protocol v4 value as defined by [RFC
// 791](https://datatracker.ietf.org/doc/html/rfc791). The value may be
// condensed, with leading zeros in each octet stripped. For example,
// `001.022.233.040` would be condensed to `1.22.233.40`.
IPV4 = 2;
// Internet Protocol v6 value as defined by [RFC
// 2460](https://datatracker.ietf.org/doc/html/rfc2460). The value may be
// normalized to entirely lowercase letters with zeros compressed, following
// [RFC 5952](https://datatracker.ietf.org/doc/html/rfc5952). For example,
// the value `2001:0DB8:0::0` would be normalized to `2001:db8::`.
IPV6 = 3;
// An IP address in either v4 or v6 format as described by the individual
// values defined herein. See the comments on the IPV4 and IPV6 types for
// allowed normalizations of each.
IPV4_OR_IPV6 = 4;
}
// The standard format of a field value. This does not explicitly configure
// any API consumer, just documents the API's format for the field it is
// applied to.
Format format = 1;
}
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