Update copyright year to 2021.

Closes #2268.

src/main/java/org/springframework/data/util/AnnotatedTypeScanner.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 the original author or authors.
+ * Copyright 2014-2021 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.

src/main/java/org/springframework/data/util/AnnotationDetectionFieldCallback.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 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.

src/main/java/org/springframework/data/util/AnnotationDetectionMethodCallback.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 the original author or authors.
+ * Copyright 2014-2021 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.

src/main/java/org/springframework/data/util/BeanLookup.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-2020 the original author or authors.
+ * Copyright 2018-2021 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.

src/main/java/org/springframework/data/util/CastUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-2020 the original author or authors.
+ * Copyright 2017-2021 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.

src/main/java/org/springframework/data/util/ClassTypeInformation.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2011-2020 the original author or authors.
+ * Copyright 2011-2021 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.

src/main/java/org/springframework/data/util/CloseableIterator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2020 the original author or authors.
+ * Copyright 2015-2021 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.

src/main/java/org/springframework/data/util/DirectFieldAccessFallbackBeanWrapper.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 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.

src/main/java/org/springframework/data/util/GenericArrayTypeInformation.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2011-2020 the original author or authors.
+ * Copyright 2011-2021 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.

src/main/java/org/springframework/data/util/KotlinReflectionUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-2020 the original author or authors.
+ * Copyright 2019-2021 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.

src/main/java/org/springframework/data/util/Lazy.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2020 the original author or authors.
+ * Copyright 2016-2021 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.

src/main/java/org/springframework/data/util/LazyStreamable.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-2020 the original author or authors.
+ * Copyright 2017-2021 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.

src/main/java/org/springframework/data/util/MethodInvocationRecorder.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2020 the original author or authors.
+ * Copyright 2016-2021 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.

src/main/java/org/springframework/data/util/MultiValueMapCollector.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-2020 the original author or authors.
+ * Copyright 2017-2021 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.

src/main/java/org/springframework/data/util/NullableUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-2020 the original author or authors.
+ * Copyright 2017-2021 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.

src/main/java/org/springframework/data/util/NullableWrapper.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 the original author or authors.
+ * Copyright 2020-2021 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.

src/main/java/org/springframework/data/util/NullableWrapperConverters.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 the original author or authors.
+ * Copyright 2020-2021 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.

src/main/java/org/springframework/data/util/Optionals.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2020 the original author or authors.
+ * Copyright 2016-2021 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.

src/main/java/org/springframework/data/util/Pair.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2020 the original author or authors.
+ * Copyright 2015-2021 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.

src/main/java/org/springframework/data/util/ParameterTypes.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-2020 the original author or authors.
+ * Copyright 2019-2021 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.

src/main/java/org/springframework/data/util/ParameterizedTypeInformation.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2011-2020 the original author or authors.
+ * Copyright 2011-2021 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.

src/main/java/org/springframework/data/util/ParentTypeAwareTypeInformation.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2011-2020 the original author or authors.
+ * Copyright 2011-2021 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.

src/main/java/org/springframework/data/util/ParsingUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 the original author or authors.
+ * Copyright 2014-2021 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.

src/main/java/org/springframework/data/util/ProxyUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-2020 the original author or authors.
+ * Copyright 2018-2021 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.

src/main/java/org/springframework/data/util/ReflectionUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 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.

src/main/java/org/springframework/data/util/StreamUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2020 the original author or authors.
+ * Copyright 2015-2021 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.
@@ -102,7 +102,7 @@ public interface StreamUtils {
 
 	/**
 	 * Creates a new {@link Stream} for the given value returning an empty {@link Stream} if the value is {@literal null}.
-	 * 
+	 *
 	 * @param source can be {@literal null}.
 	 * @return a new {@link Stream} for the given value returning an empty {@link Stream} if the value is {@literal null}.
 	 * @since 2.0.6
@@ -115,7 +115,7 @@ public interface StreamUtils {
 	 * Zips the given {@link Stream}s using the given {@link BiFunction}. The resulting {@link Stream} will have the
 	 * length of the shorter of the two, abbreviating the zipping when the shorter of the two {@link Stream}s is
 	 * exhausted.
-	 * 
+	 *
 	 * @param left must not be {@literal null}.
 	 * @param right must not be {@literal null}.
 	 * @param combiner must not be {@literal null}.

src/main/java/org/springframework/data/util/Streamable.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2020 the original author or authors.
+ * Copyright 2016-2021 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.
@@ -131,7 +131,7 @@ public interface Streamable<T> extends Iterable<T>, Supplier<Stream<T>> {
 
 	/**
 	 * Returns whether the current {@link Streamable} is empty.
-	 * 
+	 *
 	 * @return
 	 */
 	default boolean isEmpty() {
@@ -140,7 +140,7 @@ public interface Streamable<T> extends Iterable<T>, Supplier<Stream<T>> {
 
 	/**
 	 * Creates a new {@link Streamable} from the current one and the given {@link Stream} concatenated.
-	 * 
+	 *
 	 * @param stream must not be {@literal null}.
 	 * @return
 	 * @since 2.1
@@ -154,7 +154,7 @@ public interface Streamable<T> extends Iterable<T>, Supplier<Stream<T>> {
 
 	/**
 	 * Creates a new {@link Streamable} from the current one and the given values concatenated.
-	 * 
+	 *
 	 * @param others must not be {@literal null}.
 	 * @return will never be {@literal null}.
 	 * @since 2.2
@@ -169,7 +169,7 @@ public interface Streamable<T> extends Iterable<T>, Supplier<Stream<T>> {
 
 	/**
 	 * Creates a new {@link Streamable} from the current one and the given {@link Iterable} concatenated.
-	 * 
+	 *
 	 * @param iterable must not be {@literal null}.
 	 * @return will never be {@literal null}.
 	 * @since 2.2
@@ -184,7 +184,7 @@ public interface Streamable<T> extends Iterable<T>, Supplier<Stream<T>> {
 	/**
 	 * Convenience method to allow adding a {@link Streamable} directly as otherwise the invocation is ambiguous between
 	 * {@link #and(Iterable)} and {@link #and(Supplier)}.
-	 * 
+	 *
 	 * @param streamable must not be {@literal null}.
 	 * @return will never be {@literal null}.
 	 * @since 2.2
@@ -195,7 +195,7 @@ public interface Streamable<T> extends Iterable<T>, Supplier<Stream<T>> {
 
 	/**
 	 * Creates a new, unmodifiable {@link List}.
-	 * 
+	 *
 	 * @return will never be {@literal null}.
 	 * @since 2.2
 	 */
@@ -205,7 +205,7 @@ public interface Streamable<T> extends Iterable<T>, Supplier<Stream<T>> {
 
 	/**
 	 * Creates a new, unmodifiable {@link Set}.
-	 * 
+	 *
 	 * @return will never be {@literal null}.
 	 * @since 2.2
 	 */
@@ -224,7 +224,7 @@ public interface Streamable<T> extends Iterable<T>, Supplier<Stream<T>> {
 	/**
 	 * A collector to easily produce a {@link Streamable} from a {@link Stream} using {@link Collectors#toList} as
 	 * intermediate collector.
-	 * 
+	 *
 	 * @return
 	 * @see #toStreamable(Collector)
 	 * @since 2.2
@@ -235,7 +235,7 @@ public interface Streamable<T> extends Iterable<T>, Supplier<Stream<T>> {
 
 	/**
 	 * A collector to easily produce a {@link Streamable} from a {@link Stream} and the given intermediate collector.
-	 * 
+	 *
 	 * @return
 	 * @since 2.2
 	 */

src/main/java/org/springframework/data/util/TypeDiscoverer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2011-2020 the original author or authors.
+ * Copyright 2011-2021 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.

src/main/java/org/springframework/data/util/TypeInformation.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2020 the original author or authors.
+ * Copyright 2008-2021 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.
@@ -265,7 +265,7 @@ public interface TypeInformation<S> {
 
 	/**
 	 * Returns whether the current type is a sub type of the given one, i.e. whether it's assignable but not the same one.
-	 * 
+	 *
 	 * @param type must not be {@literal null}.
 	 * @return
 	 * @since 2.2

src/main/java/org/springframework/data/util/TypeVariableTypeInformation.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2011-2020 the original author or authors.
+ * Copyright 2011-2021 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.

src/main/java/org/springframework/data/util/Version.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2020 the original author or authors.
+ * Copyright 2013-2021 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.
@@ -89,7 +89,7 @@ public class Version implements Comparable<Version> {
 
 	/**
 	 * Returns the Java version of the running JVM.
-	 * 
+	 *
 	 * @return will never be {@literal null}.
 	 */
 	public static Version javaVersion() {