dotnet · adamsitnik · Sep 17, 2024 · Sep 4, 2024
diff --git a/src/libraries/System.Private.CoreLib/src/System/IO/File.cs b/src/libraries/System.Private.CoreLib/src/System/IO/File.cs
@@ -819,6 +819,7 @@ public static void AppendAllBytes(string path, ReadOnlySpan<byte> bytes)
        /// <param name="path">The file to append to.</param>
        /// <param name="bytes">The bytes to append to the file.</param>
        /// <param name="cancellationToken">The token to monitor for cancellation requests. The default value is <see cref="CancellationToken.None"/>.</param>
+        /// <returns>A task that represents the asynchronous append operation.</returns>
        /// <exception cref="ArgumentNullException"><paramref name="path"/> is null.</exception>
        /// <exception cref="ArgumentNullException"><paramref name="bytes"/> is null.</exception>
        /// <exception cref="ArgumentException"><paramref name="path"/> is empty.</exception>
@@ -837,6 +838,7 @@ public static Task AppendAllBytesAsync(string path, byte[] bytes, CancellationTo
        /// <param name="path">The file to append to.</param>
        /// <param name="bytes">The bytes to append to the file.</param>
        /// <param name="cancellationToken">The token to monitor for cancellation requests. The default value is <see cref="CancellationToken.None"/>.</param>
+        /// <returns>A task that represents the asynchronous append operation.</returns>
        /// <exception cref="ArgumentNullException"><paramref name="path"/> is null.</exception>
        /// <exception cref="ArgumentException"><paramref name="path"/> is empty.</exception>
        /// <exception cref="OperationCanceledException">The cancellation token was canceled. This exception is stored into the returned task.</exception>

diff --git a/src/libraries/System.Private.CoreLib/src/System/IO/FileStream.cs b/src/libraries/System.Private.CoreLib/src/System/IO/FileStream.cs
@@ -536,6 +536,7 @@ public override void CopyTo(Stream destination, int bufferSize)
            _strategy.CopyTo(destination, bufferSize);
        }

+        /// <inheritdoc />
        public override Task CopyToAsync(Stream destination, int bufferSize, CancellationToken cancellationToken)
        {
            ValidateCopyToArguments(destination, bufferSize);