fix(specs): built-in ops accept also int (generated)

algolia/api-clients-automation#3450

Co-authored-by: algolia-bot <accounts+algolia-api-client-bot@algolia.com>
Co-authored-by: Kai Welke <kai.welke@algolia.com>
Co-authored-by: Pierre Millot <pierre.millot@algolia.com>

Sources/Search/Models/BuiltInOperation.swift

@@ -9,11 +9,9 @@ import Foundation
 /// Update to perform on the attribute.
 public struct BuiltInOperation: Codable, JSONEncodable {
     public var operation: BuiltInOperationType
-    /// Value that corresponds to the operation, for example an `Increment` or `Decrement` step, or an `Add` or `Remove`
-    /// value.
-    public var value: String
+    public var value: BuiltInOperationValue
 
-    public init(operation: BuiltInOperationType, value: String) {
+    public init(operation: BuiltInOperationType, value: BuiltInOperationValue) {
         self.operation = operation
         self.value = value
     }

Sources/Search/Models/BuiltInOperationValue.swift

@@ -0,0 +1,51 @@
+// Code generated by OpenAPI Generator (https://openapi-generator.tech), manual changes will be lost - read more on
+// https://github.com/algolia/api-clients-automation. DO NOT EDIT.
+
+import Foundation
+#if canImport(Core)
+    import Core
+#endif
+
+public enum BuiltInOperationValue: Codable, JSONEncodable, AbstractEncodable {
+    case string(String)
+    case int(Int)
+
+    public func encode(to encoder: Encoder) throws {
+        var container = encoder.singleValueContainer()
+        switch self {
+        case let .string(value):
+            try container.encode(value)
+        case let .int(value):
+            try container.encode(value)
+        }
+    }
+
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.singleValueContainer()
+        if let value = try? container.decode(String.self) {
+            self = .string(value)
+        } else if let value = try? container.decode(Int.self) {
+            self = .int(value)
+        } else {
+            throw DecodingError.typeMismatch(
+                Self.Type.self,
+                .init(
+                    codingPath: decoder.codingPath,
+                    debugDescription: "Unable to decode instance of BuiltInOperationValue"
+                )
+            )
+        }
+    }
+
+    public func GetActualInstance() -> Encodable {
+        switch self {
+        case let .string(value):
+            value as String
+        case let .int(value):
+            value as Int
+        }
+    }
+}
+
+extension BuiltInOperationValue: Equatable {}
+extension BuiltInOperationValue: Hashable {}