Fixes #114 - Replace @preconcurrency import Foundation with scoped import (#36)

Author: PARAIPAN9

Sources/OpenAPIRuntime/Conversion/Converter.swift

@@ -14,8 +14,8 @@
 #if canImport(Darwin)
 import Foundation
 #else
-// `@preconcrrency` is for `JSONDecoder`/`JSONEncoder`.
-@preconcurrency import Foundation
+@preconcurrency import class Foundation.JSONEncoder
+@preconcurrency import class Foundation.JSONDecoder
 #endif
 
 /// Converter between generated and HTTP currency types.

Sources/OpenAPIRuntime/Deprecated/Deprecated_RedactedHeaderFields.swift

@@ -14,7 +14,7 @@
 #if canImport(Darwin)
 import Foundation
 #else
-@preconcurrency import Foundation
+@preconcurrency import class Foundation.NSLock
 #endif
 
 /// A protected-by-locks storage for ``redactedHeaderFields``.

Sources/OpenAPIRuntime/Errors/ClientError.swift

@@ -14,8 +14,8 @@
 #if canImport(Darwin)
 import Foundation
 #else
-// `@preconcrrency` is for `URL`.
-@preconcurrency import Foundation
+@preconcurrency import struct Foundation.URL
+@preconcurrency import protocol Foundation.LocalizedError
 #endif
 
 /// An error thrown by a client performing an OpenAPI operation.

Sources/OpenAPIRuntime/Interface/CurrencyTypes.swift

@@ -14,8 +14,8 @@
 #if canImport(Darwin)
 import Foundation
 #else
-// `@preconcrrency` is for `Data`/`URLQueryItem`.
-@preconcurrency import Foundation
+@preconcurrency import struct Foundation.Data
+@preconcurrency import struct Foundation.URLQueryItem
 #endif
 
 /// A header field used in an HTTP request or response.

Sources/OpenAPIRuntime/Interface/UniversalClient.swift

@@ -14,8 +14,7 @@
 #if canImport(Darwin)
 import Foundation
 #else
-// `@preconcrrency` is for `URL`.
-@preconcurrency import Foundation
+@preconcurrency import struct Foundation.URL
 #endif
 
 /// OpenAPI document-agnostic HTTP client used by OpenAPI document-specific,

Sources/OpenAPIRuntime/Interface/UniversalServer.swift

@@ -14,7 +14,8 @@
 #if canImport(Darwin)
 import Foundation
 #else
-@preconcurrency import Foundation
+@preconcurrency import struct Foundation.URL
+@preconcurrency import struct Foundation.URLComponents
 #endif
 
 /// OpenAPI document-agnostic HTTP server used by OpenAPI document-specific,