From 1a0afc6bbe193a98ed5d9d7d4ab461a24cbbb5fd Mon Sep 17 00:00:00 2001
From: Stephane Nicoll <snicoll@pivotal.io>
Date: Tue, 24 Jul 2018 09:38:51 +0200
Subject: [PATCH] Polish "Use Collection.removeIf() where possible"

Closes gh-13871
---
 .../boot/actuate/trace/http/HttpExchangeTracer.java             | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/trace/http/HttpExchangeTracer.java b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/trace/http/HttpExchangeTracer.java
index 99cc2b08db..2257149aa9 100644
--- a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/trace/http/HttpExchangeTracer.java
+++ b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/trace/http/HttpExchangeTracer.java
@@ -102,7 +102,7 @@ public class HttpExchangeTracer {
 			return new LinkedHashMap<>();
 		}
 		Map<String, List<String>> headers = headersSupplier.get();
-		headers.keySet().removeIf(s -> !headerPredicate.test(s));
+		headers.keySet().removeIf((header) -> !headerPredicate.test(header));
 		return headers;
 	}