Modify ByteArrayEncoder so that it works in Eclipse IDE

spring-core/src/main/java/org/springframework/core/codec/ByteArrayEncoder.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -52,7 +52,8 @@ public class ByteArrayEncoder extends AbstractEncoder<byte[]> {
 			DataBufferFactory bufferFactory, ResolvableType elementType, @Nullable MimeType mimeType,
 			@Nullable Map<String, Object> hints) {
 
-		return Flux.from(inputStream).map(bytes -> {
+		// The following (byte[] bytes) lambda signature declaration is necessary for Eclipse.
+		return Flux.from(inputStream).map((byte[] bytes) -> {
 			DataBuffer dataBuffer = bufferFactory.wrap(bytes);
 			if (logger.isDebugEnabled() && !Hints.isLoggingSuppressed(hints)) {
 				String logPrefix = Hints.getLogPrefix(hints);

src/checkstyle/checkstyle-suppressions.xml

@@ -18,6 +18,7 @@
 	<!-- spring-core -->
 	<suppress files="[\\/]src[\\/]main[\\/]java[\\/]org[\\/]springframework[\\/]asm[\\/]" checks=".*" />
 	<suppress files="[\\/]src[\\/]main[\\/]java[\\/]org[\\/]springframework[\\/]cglib[\\/]" checks=".*" />
+	<suppress files="ByteArrayEncoder" checks="SpringLambda" />
 	<suppress files="SocketUtils" checks="HideUtilityClassConstructor" />
 	<suppress files="ResolvableType" checks="FinalClass" />