// Code generated by sidekick. DO NOT EDIT.
//
// Copyright 2026 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
//
//     https://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.

#if EvaluationService
  import Foundation
  import GoogleCloudWkt

  /// Pairwise metric instance. Usually one instance corresponds to one row in an
  /// evaluation dataset.
  public struct PairwiseMetricInstance: Codable, Equatable, GoogleCloudWkt._AnyPackable,
    Sendable
  {
    /// Instance for pairwise metric.
    public var instance: OneOf_Instance? = nil

    /// Initialize a new instance of `PairwiseMetricInstance`.
    public init() {}

    /// Use `config` to return a new instance of this object, with some fields updated.
    ///
    /// Commonly used to initialize the value, for example:
    ///
    /// ```
    /// let value = PairwiseMetricInstance().with { $0.jsonInstance = ... }
    /// ```
    public func with(_ config: (inout Self) throws -> Swift.Void) rethrows -> Self {
      var copy = self
      try config(&copy)
      return copy
    }

    private enum CodingKeys: Swift.String, CodingKey {
      case jsonInstance = "jsonInstance"
      case contentMapInstance = "contentMapInstance"
    }

    public init(from decoder: Decoder) throws {
      let container = try decoder.container(keyedBy: CodingKeys.self)

      var instance: OneOf_Instance? = nil
      let instanceCheckAndSet = {
        if instance != nil {
          throw DecodingError.dataCorrupted(
            DecodingError.Context(
              codingPath: decoder.codingPath,
              debugDescription: "Multiple values set for oneof 'instance'"))
        }
        instance = $0
      }
      if let jsonInstance = try container.decodeIfPresent(Swift.String.self, forKey: .jsonInstance)
      {
        try instanceCheckAndSet(.jsonInstance(jsonInstance))
      }
      if let contentMapInstance = try container.decodeIfPresent(
        ContentMap?.self, forKey: .contentMapInstance)
      {
        try instanceCheckAndSet(.contentMapInstance(contentMapInstance))
      }
      self.instance = instance
    }

    public func encode(to encoder: Encoder) throws {
      var container = encoder.container(keyedBy: CodingKeys.self)

      if let choice = self.instance {
        switch choice {
        case .jsonInstance(let value):
          try container.encode(value, forKey: .jsonInstance)
        case .contentMapInstance(let value):
          try container.encode(value, forKey: .contentMapInstance)
        }
      }
    }

    /// Instance for pairwise metric.
    public enum OneOf_Instance: Codable, Equatable, Sendable {
      /// Instance specified as a json string. String key-value pairs are expected
      /// in the json_instance to render
      /// PairwiseMetricSpec.instance_prompt_template.
      case jsonInstance(Swift.String)
      /// Key-value contents for the mutlimodality input, including text, image,
      /// video, audio, and pdf, etc. The key is placeholder in metric prompt
      /// template, and the value is the multimodal content.
      indirect case contentMapInstance(ContentMap?)
    }

    public static var _anyTypeUrl: Swift.String {
      return "type.googleapis.com/google.cloud.aiplatform.v1.PairwiseMetricInstance"
    }
    public init(fromAny any: GoogleCloudWkt.`Any`) throws {
      self = try GoogleCloudWkt._slowAnyDeserialize(Self.self, from: any)
    }
    public func _pack() throws -> GoogleCloudWkt.Struct {
      return try GoogleCloudWkt._slowAnySerialize(message: self)
    }
  }
#endif
