changed: public to internal and added comment about Task sleep in tests

Author: ZirgVoice

Sources/DataLoader/Channel/Channel.swift

@@ -1,8 +1,8 @@
-public actor Channel<Success: Sendable, Failure: Error>: Sendable {
+internal actor Channel<Success: Sendable, Failure: Error>: Sendable {
     private var state = State<Success, Failure>()
 }
 
-public extension Channel {
+internal extension Channel {
     @discardableResult
     func fulfill(_ value: Success) async -> Bool {
         if await state.result == nil {

Tests/DataLoaderTests/DataLoaderTests.swift

@@ -19,6 +19,9 @@ actor Concurrent<T> {
 }
 
 /// Primary API
+///The `try await Task.sleep(nanoseconds: 2_000_000)` introduces a small delay to simulate asynchronous
+///behavior and ensure that concurrent requests (`value1`, `value2`...) are grouped into a single batch
+///for processing, as intended by the batching settings.
 final class DataLoaderTests: XCTestCase {
     /// Builds a really really simple data loader'
     func testReallyReallySimpleDataLoader() async throws {