Polishing

spring-context/src/main/java/org/springframework/cache/interceptor/CacheEvictOperation.java

@@ -30,12 +30,16 @@ public class CacheEvictOperation extends CacheOperation {
 	private final boolean beforeInvocation;
 
 
+	/**
+	 * @since 4.3
+	 */
 	public CacheEvictOperation(CacheEvictOperation.Builder b) {
 		super(b);
 		this.cacheWide = b.cacheWide;
 		this.beforeInvocation = b.beforeInvocation;
 	}
 
+
 	public boolean isCacheWide() {
 		return this.cacheWide;
 	}

spring-context/src/main/java/org/springframework/cache/interceptor/CacheOperation.java

@@ -49,6 +49,9 @@ public abstract class CacheOperation implements BasicOperation {
 	private final String toString;
 
 
+	/**
+	 * @since 4.3
+	 */
 	protected CacheOperation(Builder b) {
 		this.name = b.name;
 		this.cacheNames = b.cacheNames;
@@ -74,22 +77,18 @@ public abstract class CacheOperation implements BasicOperation {
 		return this.key;
 	}
 
-
 	public String getKeyGenerator() {
 		return this.keyGenerator;
 	}
 
-
 	public String getCacheManager() {
 		return this.cacheManager;
 	}
 
-
 	public String getCacheResolver() {
 		return this.cacheResolver;
 	}
 
-
 	public String getCondition() {
 		return this.condition;
 	}

spring-context/src/main/java/org/springframework/cache/interceptor/CachePutOperation.java

@@ -29,11 +29,15 @@ public class CachePutOperation extends CacheOperation {
 	private final String unless;
 
 
+	/**
+	 * @since 4.3
+	 */
 	public CachePutOperation(CachePutOperation.Builder b) {
 		super(b);
 		this.unless = b.unless;
 	}
 
+
 	public String getUnless() {
 		return this.unless;
 	}

spring-context/src/main/java/org/springframework/cache/interceptor/CacheableOperation.java

@@ -28,15 +28,19 @@ public class CacheableOperation extends CacheOperation {
 
 	private final String unless;
 
-	private boolean sync;
+	private final boolean sync;
 
 
+	/**
+	 * @since 4.3
+	 */
 	public CacheableOperation(CacheableOperation.Builder b) {
 		super(b);
 		this.unless = b.unless;
 		this.sync = b.sync;
 	}
 
+
 	public String getUnless() {
 		return this.unless;
 	}
@@ -46,6 +50,9 @@ public class CacheableOperation extends CacheOperation {
 	}
 
 
+	/**
+	 * @since 4.3
+	 */
 	public static class Builder extends CacheOperation.Builder {
 
 		private String unless;