Remove trailing spaces (#10224)

27 files changed, 88 insertions, 88 deletions

diff --git a/server/src/main/java/com/vaadin/data/Binder.java b/server/src/main/java/com/vaadin/data/Binder.java
index 3fb2d75c89..8ca90ebaf8 100644
--- a/server/src/main/java/com/vaadin/data/Binder.java
+++ b/server/src/main/java/com/vaadin/data/Binder.java
@@ -330,7 +330,7 @@ public class Binder<BEAN> implements Serializable {
          * @return this binding, for chaining
          * @throws IllegalStateException
          *             if {@code bind} has already been called
-         * 
+         *
          * @since 8.2
          */
         public default BindingBuilder<BEAN, TARGET> withValidator(
@@ -394,7 +394,7 @@ public class Binder<BEAN> implements Serializable {
          * @return this binding, for chaining
          * @throws IllegalStateException
          *             if {@code bind} has already been called
-         * 
+         *
          * @since 8.2
          */
         public default BindingBuilder<BEAN, TARGET> withValidator(
diff --git a/server/src/main/java/com/vaadin/data/BinderValidationStatus.java b/server/src/main/java/com/vaadin/data/BinderValidationStatus.java
index 2a5c7d5585..43cbf2e2f7 100644
--- a/server/src/main/java/com/vaadin/data/BinderValidationStatus.java
+++ b/server/src/main/java/com/vaadin/data/BinderValidationStatus.java
@@ -189,9 +189,9 @@ public class BinderValidationStatus<BEAN> implements Serializable {
 
     /**
      * Notifies all validation status handlers in bindings.
-     * 
+     *
      * @see #notifyBindingValidationStatusHandlers(SerializablePredicate)
-     * 
+     *
      * @since 8.2
      */
     public void notifyBindingValidationStatusHandlers() {
@@ -203,12 +203,12 @@ public class BinderValidationStatus<BEAN> implements Serializable {
      * The filter should return {@code true} for each
      * {@link BindingValidationStatus} that should be delegated to the status
      * handler in the binding.
-     * 
+     *
      * @see #notifyBindingValidationStatusHandlers()
-     * 
+     *
      * @param filter
      *            the filter to select bindings to run status handling for
-     * 
+     *
      * @since 8.2
      */
     public void notifyBindingValidationStatusHandlers(
diff --git a/server/src/main/java/com/vaadin/data/BindingValidationStatus.java b/server/src/main/java/com/vaadin/data/BindingValidationStatus.java
index f6a7809970..afbf2bab41 100644
--- a/server/src/main/java/com/vaadin/data/BindingValidationStatus.java
+++ b/server/src/main/java/com/vaadin/data/BindingValidationStatus.java
@@ -137,7 +137,7 @@ public class BindingValidationStatus<TARGET> implements Serializable {
      *            the related result object, may be {@code null}
      * @param source
      *            field whose status has changed, not {@code null}
-     * 
+     *
      * @since 8.2
      */
     public BindingValidationStatus(Result<TARGET> result,
diff --git a/server/src/main/java/com/vaadin/data/HasDataProvider.java b/server/src/main/java/com/vaadin/data/HasDataProvider.java
index c853f5c092..3e89d405b5 100644
--- a/server/src/main/java/com/vaadin/data/HasDataProvider.java
+++ b/server/src/main/java/com/vaadin/data/HasDataProvider.java
@@ -25,7 +25,7 @@ import com.vaadin.data.provider.DataProvider;
  * <p>
  * A listing component should implement either this interface or
  * {@link HasFilterableDataProvider}, but not both.
- * 
+ *
  * @author Vaadin Ltd.
  *
  * @param <T>
diff --git a/server/src/main/java/com/vaadin/data/RequiredFieldConfigurator.java b/server/src/main/java/com/vaadin/data/RequiredFieldConfigurator.java
index 4bc1ffdbc5..a3e72fa574 100644
--- a/server/src/main/java/com/vaadin/data/RequiredFieldConfigurator.java
+++ b/server/src/main/java/com/vaadin/data/RequiredFieldConfigurator.java
@@ -26,10 +26,10 @@ import com.vaadin.server.SerializablePredicate;
  * This interface represents a predicate which returns {@code true} if bound
  * field should be configured to have required indicator via
  * {@link HasValue#setRequiredIndicatorVisible(boolean)}.
- * 
+ *
  * @see BeanValidationBinder
  * @see BeanValidationBinder#setRequiredConfigurator(RequiredFieldConfigurator)
- * 
+ *
  * @author Vaadin Ltd
  * @since 8.0
  *
diff --git a/server/src/main/java/com/vaadin/data/SimpleResult.java b/server/src/main/java/com/vaadin/data/SimpleResult.java
index 85d8c8ed4e..7275ee4c57 100644
--- a/server/src/main/java/com/vaadin/data/SimpleResult.java
+++ b/server/src/main/java/com/vaadin/data/SimpleResult.java
@@ -26,7 +26,7 @@ import com.vaadin.server.SerializableFunction;
  *
  * @param <R>
  *            the result value type
- * 
+ *
  * @since 8.0
  */
 class SimpleResult<R> implements Result<R> {
diff --git a/server/src/main/java/com/vaadin/data/ValidationResult.java b/server/src/main/java/com/vaadin/data/ValidationResult.java
index 33e10d6db2..ea266ee81b 100644
--- a/server/src/main/java/com/vaadin/data/ValidationResult.java
+++ b/server/src/main/java/com/vaadin/data/ValidationResult.java
@@ -87,7 +87,7 @@ public interface ValidationResult extends Serializable {
      *
      * @return optional error level; error level is present for validation
      *         results that have not passed validation
-     * 
+     *
      * @since 8.2
      */
     Optional<ErrorLevel> getErrorLevel();
@@ -136,7 +136,7 @@ public interface ValidationResult extends Serializable {
      * Creates the validation result with the given {@code errorMessage} and
      * {@code errorLevel}. Results with {@link ErrorLevel} of {@code INFO} or
      * {@code WARNING} are not errors by default.
-     * 
+     *
      * @see #ok()
      * @see #error(String)
      *
diff --git a/server/src/main/java/com/vaadin/data/provider/HierarchicalDataProvider.java b/server/src/main/java/com/vaadin/data/provider/HierarchicalDataProvider.java
index 8dabdce2cc..007256b109 100644
--- a/server/src/main/java/com/vaadin/data/provider/HierarchicalDataProvider.java
+++ b/server/src/main/java/com/vaadin/data/provider/HierarchicalDataProvider.java
@@ -34,12 +34,12 @@ public interface HierarchicalDataProvider<T, F> extends DataProvider<T, F> {
     /**
      * Get the number of immediate child data items for the parent item returned
      * by a given query.
-     * 
+     *
      * @param query
      *            given query to request the count for
      * @return the count of child data items for the data item
      *         {@link HierarchicalQuery#getParent()}
-     * 
+     *
      * @throws IllegalArgumentException
      *             if the query is not of type HierarchicalQuery
      */
@@ -56,11 +56,11 @@ public interface HierarchicalDataProvider<T, F> extends DataProvider<T, F> {
      * Fetches data from this HierarchicalDataProvider using given
      * {@code query}. Only the immediate children of
      * {@link HierarchicalQuery#getParent()} will be returned.
-     * 
+     *
      * @param query
      *            given query to request data with
      * @return a stream of data objects resulting from the query
-     * 
+     *
      * @throws IllegalArgumentException
      *             if the query is not of type HierarchicalQuery
      */
@@ -76,7 +76,7 @@ public interface HierarchicalDataProvider<T, F> extends DataProvider<T, F> {
     /**
      * Get the number of immediate child data items for the parent item returned
      * by a given query.
-     * 
+     *
      * @param query
      *            given query to request the count for
      * @return the count of child data items for the data item
@@ -88,7 +88,7 @@ public interface HierarchicalDataProvider<T, F> extends DataProvider<T, F> {
      * Fetches data from this HierarchicalDataProvider using given
      * {@code query}. Only the immediate children of
      * {@link HierarchicalQuery#getParent()} will be returned.
-     * 
+     *
      * @param query
      *            given query to request data with
      * @return a stream of data objects resulting from the query
@@ -97,7 +97,7 @@ public interface HierarchicalDataProvider<T, F> extends DataProvider<T, F> {
 
     /**
      * Check whether a given item has any children associated with it.
-     * 
+     *
      * @param item
      *            the item to check for children
      * @return whether the given item has children
diff --git a/server/src/main/java/com/vaadin/data/provider/HierarchyMapper.java b/server/src/main/java/com/vaadin/data/provider/HierarchyMapper.java
index 6b34bfa86c..a6ea2183fa 100644
--- a/server/src/main/java/com/vaadin/data/provider/HierarchyMapper.java
+++ b/server/src/main/java/com/vaadin/data/provider/HierarchyMapper.java
@@ -48,7 +48,7 @@ import elemental.json.JsonObject;
  *
  * @author Vaadin Ltd
  * @since 8.1
- * 
+ *
  * @param <T>
  *            the data type
  * @param <F>
@@ -71,7 +71,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Constructs a new HierarchyMapper.
-     * 
+     *
      * @param provider
      *            the hierarchical data provider for this mapper
      */
@@ -81,7 +81,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Returns the size of the currently expanded hierarchy.
-     * 
+     *
      * @return the amount of available data
      */
     public int getTreeSize() {
@@ -90,11 +90,11 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Finds the index of the parent of the item in given target index.
-     * 
+     *
      * @param item
      *            the item to get the parent of
      * @return the parent index or a negative value if the parent is not found
-     * 
+     *
      */
     public Integer getParentIndex(T item) {
         // TODO: This can be optimized.
@@ -104,7 +104,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Returns whether the given item is expanded.
-     * 
+     *
      * @param item
      *            the item to test
      * @return {@code true} if item is expanded; {@code false} if not
@@ -119,7 +119,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Expands the given item.
-     * 
+     *
      * @param item
      *            the item to expand
      * @param position
@@ -141,12 +141,12 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Collapses the given item.
-     * 
+     *
      * @param item
      *            the item to expand
      * @param position
      *            the index of item
-     * 
+     *
      * @return range of rows removed by collapsing the item
      */
     public Range doCollapse(T item, Optional<Integer> position) {
@@ -196,7 +196,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Gets the current item collapse allowed provider.
-     * 
+     *
      * @return the item collapse allowed provider
      */
     public ItemCollapseAllowedProvider<T> getItemCollapseAllowedProvider() {
@@ -205,7 +205,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Sets the current item collapse allowed provider.
-     * 
+     *
      * @param itemCollapseAllowedProvider
      *            the item collapse allowed provider
      */
@@ -216,7 +216,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Gets the current in-memory sorting.
-     * 
+     *
      * @return the in-memory sorting
      */
     public Comparator<T> getInMemorySorting() {
@@ -226,7 +226,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Sets the current in-memory sorting. This will cause the hierarchy to be
      * constructed again.
-     * 
+     *
      * @param inMemorySorting
      *            the in-memory sorting
      */
@@ -236,7 +236,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Gets the current back-end sorting.
-     * 
+     *
      * @return the back-end sorting
      */
     public List<QuerySortOrder> getBackEndSorting() {
@@ -246,7 +246,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Sets the current back-end sorting. This will cause the hierarchy to be
      * constructed again.
-     * 
+     *
      * @param backEndSorting
      *            the back-end sorting
      */
@@ -256,7 +256,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Gets the current filter.
-     * 
+     *
      * @return the filter
      */
     public F getFilter() {
@@ -266,7 +266,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Sets the current filter. This will cause the hierarchy to be constructed
      * again.
-     * 
+     *
      * @param filter
      *            the filter
      */
@@ -277,7 +277,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Gets the {@code HierarchicalDataProvider} for this
      * {@code HierarchyMapper}.
-     * 
+     *
      * @return the hierarchical data provider
      */
     public HierarchicalDataProvider<T, F> getDataProvider() {
@@ -286,7 +286,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Returns whether given item has children.
-     * 
+     *
      * @param item
      *            the node to test
      * @return {@code true} if node has children; {@code false} if not
@@ -300,7 +300,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Gets a stream of items in the form of a flattened hierarchy from the
      * back-end and filter the wanted results from the list.
-     * 
+     *
      * @param range
      *            the requested item range
      * @return the stream of items
@@ -312,7 +312,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Gets a stream of children for the given item in the form of a flattened
      * hierarchy from the back-end and filter the wanted results from the list.
-     * 
+     *
      * @param parent
      *            the parent item for the fetch
      * @param range
@@ -329,7 +329,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Generic method for finding direct children of a given parent, limited by
      * given range.
-     * 
+     *
      * @param parent
      *            the parent
      * @param range
@@ -361,7 +361,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
      * Removes all children of an item identified by a given id. Items removed
      * by this method as well as the original item are all marked to be
      * collapsed.
-     * 
+     *
      * @param id
      *            the item id
      */
@@ -387,7 +387,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Finds the current index of given object. This is based on a search in
      * flattened version of the hierarchy.
-     * 
+     *
      * @param target
      *            the target object to find
      * @return optional index of given object
@@ -405,7 +405,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Gets the full hierarchy tree starting from given node.
-     * 
+     *
      * @param parent
      *            the parent node to start from
      * @return the flattened hierarchy as a stream
@@ -417,7 +417,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
     /**
      * Getst hte full hierarchy tree starting from given node. The starting node
      * can be omitted.
-     * 
+     *
      * @param parent
      *            the parent node to start from
      * @param includeParent
@@ -431,7 +431,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
 
     /**
      * Gets the stream of direct children for given node.
-     * 
+     *
      * @param parent
      *            the parent node
      * @return the stream of direct children
@@ -445,7 +445,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
      * The method to recursively fetch the children of given parent. Used with
      * {@link Stream#flatMap} to expand a stream of parent nodes into a
      * flattened hierarchy.
-     * 
+     *
      * @param parent
      *            the parent node
      * @return the stream of all children under the parent, includes the parent
@@ -458,7 +458,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
      * The method to recursively fetch the children of given parent. Used with
      * {@link Stream#flatMap} to expand a stream of parent nodes into a
      * flattened hierarchy.
-     * 
+     *
      * @param parent
      *            the parent node
      * @param includeParent
@@ -487,7 +487,7 @@ public class HierarchyMapper<T, F> implements DataGenerator<T> {
      * Helper method for combining parent and a stream of children into one
      * stream. {@code null} item is never included, and parent can be skipped by
      * providing the correct value for {@code includeParent}.
-     * 
+     *
      * @param parent
      *            the parent node
      * @param children
diff --git a/server/src/main/java/com/vaadin/navigator/Navigator.java b/server/src/main/java/com/vaadin/navigator/Navigator.java
index 22b22678b0..91f464b118 100644
--- a/server/src/main/java/com/vaadin/navigator/Navigator.java
+++ b/server/src/main/java/com/vaadin/navigator/Navigator.java
@@ -601,11 +601,11 @@ public class Navigator implements Serializable {
     /**
      * Creates a navigation state manager for given UI. This method should take
      * into account any navigation related annotations.
-     * 
+     *
      * @param ui
      *            the ui
      * @return the navigation state manager
-     * 
+     *
      * @since 8.2
      */
     protected NavigationStateManager createNavigationStateManager(UI ui) {
diff --git a/server/src/main/java/com/vaadin/navigator/PushStateNavigation.java b/server/src/main/java/com/vaadin/navigator/PushStateNavigation.java
index f1cab0391b..76a000bcce 100644
--- a/server/src/main/java/com/vaadin/navigator/PushStateNavigation.java
+++ b/server/src/main/java/com/vaadin/navigator/PushStateNavigation.java
@@ -37,7 +37,7 @@ import com.vaadin.ui.UI;
  * {@link DeploymentConfiguration} parameter
  * {@link DeploymentConfiguration#isSendUrlsAsParameters() SendUrlAsParameters}
  * must not be set to {@code false}.
- * 
+ *
  * @since 8.2
  */
 @Retention(RUNTIME)
diff --git a/server/src/main/java/com/vaadin/server/ErrorMessageProducer.java b/server/src/main/java/com/vaadin/server/ErrorMessageProducer.java
index b6a34ef8de..0512044868 100644
--- a/server/src/main/java/com/vaadin/server/ErrorMessageProducer.java
+++ b/server/src/main/java/com/vaadin/server/ErrorMessageProducer.java
@@ -20,7 +20,7 @@ import java.io.Serializable;
 /**
  * Interface implemented by old Vaadin 7 exception types to produce the error
  * message to show in a component.
- * 
+ *
  * @since 8.0
  */
 @Deprecated
diff --git a/server/src/main/java/com/vaadin/ui/AbstractDateField.java b/server/src/main/java/com/vaadin/ui/AbstractDateField.java
index 965c2f652a..a201fcff85 100644
--- a/server/src/main/java/com/vaadin/ui/AbstractDateField.java
+++ b/server/src/main/java/com/vaadin/ui/AbstractDateField.java
@@ -150,7 +150,7 @@ public abstract class AbstractDateField<T extends Temporal & TemporalAdjuster &
 
     /**
      * Default value of the field, displayed when nothing has been selected.
-     * 
+     *
      * @since 8.1.2
      */
     private T defaultValue;
@@ -234,7 +234,7 @@ public abstract class AbstractDateField<T extends Temporal & TemporalAdjuster &
      * @param oldDate
      *            used as a fallback to get needed values if they are not
      *            defined in the specified {@code resolutions}
-     * 
+     *
      * @return the date object built from the specified resolutions
      * @since
      */
diff --git a/server/src/main/java/com/vaadin/ui/AbstractLocalDateTimeField.java b/server/src/main/java/com/vaadin/ui/AbstractLocalDateTimeField.java
index e5fad79825..adf6e0bc53 100644
--- a/server/src/main/java/com/vaadin/ui/AbstractLocalDateTimeField.java
+++ b/server/src/main/java/com/vaadin/ui/AbstractLocalDateTimeField.java
@@ -32,7 +32,7 @@ import com.vaadin.shared.ui.datefield.DateTimeResolution;
 
 /**
  * Abstract DateField class for {@link LocalDateTime} type.
- * 
+ *
  * @author Vaadin Ltd
  *
  * @since 8.0
diff --git a/server/src/main/java/com/vaadin/ui/HasValueChangeMode.java b/server/src/main/java/com/vaadin/ui/HasValueChangeMode.java
index 2bed6bc2e9..32fdf11e9d 100644
--- a/server/src/main/java/com/vaadin/ui/HasValueChangeMode.java
+++ b/server/src/main/java/com/vaadin/ui/HasValueChangeMode.java
@@ -20,7 +20,7 @@ import com.vaadin.shared.ui.ValueChangeMode;
 
 /**
  * Implemented by components which support value change modes.
- * 
+ *
  * @since 8.0
  */
 public interface HasValueChangeMode extends Component {
diff --git a/server/src/main/java/com/vaadin/ui/Notification.java b/server/src/main/java/com/vaadin/ui/Notification.java
index 0c3158bf97..b8ee3a4caf 100644
--- a/server/src/main/java/com/vaadin/ui/Notification.java
+++ b/server/src/main/java/com/vaadin/ui/Notification.java
@@ -522,7 +522,7 @@ public class Notification extends AbstractExtension implements Serializable {
      * CloseListener to a Notification and
      * {@link CloseListener#notificationClose(CloseEvent)} will be called
      * whenever the Notification is closed.
-     * 
+     *
      * @since 8.2
      */
     @FunctionalInterface
diff --git a/server/src/main/java/com/vaadin/ui/TextField.java b/server/src/main/java/com/vaadin/ui/TextField.java
index 8aeddad3e9..4c4d0867a3 100644
--- a/server/src/main/java/com/vaadin/ui/TextField.java
+++ b/server/src/main/java/com/vaadin/ui/TextField.java
@@ -68,7 +68,7 @@ public class TextField extends AbstractTextField {
      * Constructs a new {@code TextField} with a value change listener. The
      * listener is called when the value of this {@code TextField} is changed
      * either by the user or programmatically.
-     * 
+     *
      * @param valueChangeListener
      *            the value change listener, not {@code null}
      */
@@ -100,7 +100,7 @@ public class TextField extends AbstractTextField {
      * <p>
      * The listener is called when the value of this {@code TextField} is
      * changed either by the user or programmatically.
-     * 
+     *
      * @param caption
      *            the caption {@code String} for the editor.
      * @param value
diff --git a/server/src/main/java/com/vaadin/ui/Tree.java b/server/src/main/java/com/vaadin/ui/Tree.java
index 1580dcb515..0da6cbef0f 100644
--- a/server/src/main/java/com/vaadin/ui/Tree.java
+++ b/server/src/main/java/com/vaadin/ui/Tree.java
@@ -1181,7 +1181,7 @@ public class Tree<T> extends Composite
 
     /**
      * Scrolls to the beginning of the first data row.
-     * 
+     *
      * @since 8.2
      */
     public void scrollToStart() {
@@ -1190,7 +1190,7 @@ public class Tree<T> extends Composite
 
     /**
      * Scrolls to the end of the last data row.
-     * 
+     *
      * @since 8.2
      */
     public void scrollToEnd() {
diff --git a/server/src/main/java/com/vaadin/ui/UI.java b/server/src/main/java/com/vaadin/ui/UI.java
index db659a5229..ee303327bd 100644
--- a/server/src/main/java/com/vaadin/ui/UI.java
+++ b/server/src/main/java/com/vaadin/ui/UI.java
@@ -795,7 +795,7 @@ public abstract class UI extends AbstractSingleComponentContainer
      *
      * @return the part of path (from browser's URL) that points to this UI,
      *         without possible view identifiers or path parameters
-     * 
+     *
      * @since 8.2
      */
     public String getUiRootPath() {
@@ -819,7 +819,7 @@ public abstract class UI extends AbstractSingleComponentContainer
      *
      * @return the path info part of the request; {@code null} if no request
      *         from client has been processed
-     * 
+     *
      * @since 8.2
      */
     public String getUiPathInfo() {
diff --git a/server/src/main/java/com/vaadin/ui/components/grid/Editor.java b/server/src/main/java/com/vaadin/ui/components/grid/Editor.java
index 8c34fbdf64..33d6fc0c4f 100644
--- a/server/src/main/java/com/vaadin/ui/components/grid/Editor.java
+++ b/server/src/main/java/com/vaadin/ui/components/grid/Editor.java
@@ -170,7 +170,7 @@ public interface Editor<T> extends Serializable {
 
     /**
      * Adds an editor save {@code listener}.
-     * 
+     *
      * @param listener
      *            save listener
      * @return a registration object for removing the listener
@@ -179,7 +179,7 @@ public interface Editor<T> extends Serializable {
 
     /**
      * Adds an editor cancel {@code listener}.
-     * 
+     *
      * @param listener
      *            cancel listener
      * @return a registration object for removing the listener
@@ -188,18 +188,18 @@ public interface Editor<T> extends Serializable {
 
     /**
      * Adds an editor open {@code listener}.
-     * 
+     *
      * @param listener
      *            open listener
      * @return a registration object for removing the listener
-     * 
+     *
      * @since 8.1
      */
     public Registration addOpenListener(EditorOpenListener<T> listener);
 
     /**
      * Gets the Grid instance which this editor belongs to.
-     * 
+     *
      * @return the grid which owns the editor
      */
     public Grid<T> getGrid();
diff --git a/server/src/main/java/com/vaadin/ui/components/grid/EditorCancelListener.java b/server/src/main/java/com/vaadin/ui/components/grid/EditorCancelListener.java
index 0197a59f12..99a672eb6c 100644
--- a/server/src/main/java/com/vaadin/ui/components/grid/EditorCancelListener.java
+++ b/server/src/main/java/com/vaadin/ui/components/grid/EditorCancelListener.java
@@ -21,13 +21,13 @@ import com.vaadin.ui.Grid;
 
 /**
  * An event listener for a {@link Grid} editor cancel events.
- * 
+ *
  * @author Vaadin Ltd
  * @since 8.0
  *
  * @see EditorCancelEvent
  * @see Editor#addCancelListener(EditorCancelListener)
- * 
+ *
  * @param <T>
  *            the bean type
  */
@@ -36,7 +36,7 @@ public interface EditorCancelListener<T> extends Serializable {
 
     /**
      * Called when the editor is cancelled.
-     * 
+     *
      * @param event
      *            cancel event
      */
diff --git a/server/src/main/java/com/vaadin/ui/components/grid/EditorOpenListener.java b/server/src/main/java/com/vaadin/ui/components/grid/EditorOpenListener.java
index 071ed0549a..ecbba58af6 100644
--- a/server/src/main/java/com/vaadin/ui/components/grid/EditorOpenListener.java
+++ b/server/src/main/java/com/vaadin/ui/components/grid/EditorOpenListener.java
@@ -21,10 +21,10 @@ import com.vaadin.ui.Grid;
 
 /**
  * An event listener for a {@link Grid} editor save events.
- * 
+ *
  * @author Vaadin Ltd
  * @since 8.1
- * 
+ *
  * @param <T>
  *            the bean type
  *
@@ -36,7 +36,7 @@ public interface EditorOpenListener<T> extends Serializable {
 
     /**
      * Called when the editor is opened.
-     * 
+     *
      * @param event
      *            open event
      */
diff --git a/server/src/main/java/com/vaadin/ui/components/grid/EditorSaveListener.java b/server/src/main/java/com/vaadin/ui/components/grid/EditorSaveListener.java
index 329fde521b..68ec8e05cd 100644
--- a/server/src/main/java/com/vaadin/ui/components/grid/EditorSaveListener.java
+++ b/server/src/main/java/com/vaadin/ui/components/grid/EditorSaveListener.java
@@ -21,7 +21,7 @@ import com.vaadin.ui.Grid;
 
 /**
  * An event listener for a {@link Grid} editor save events.
- * 
+ *
  * @author Vaadin Ltd
  * @since 8.0
  *
@@ -33,7 +33,7 @@ public interface EditorSaveListener<T> extends Serializable {
 
     /**
      * Called when the editor is saved.
-     * 
+     *
      * @param event
      *            save event
      */
diff --git a/server/src/main/java/com/vaadin/ui/components/grid/GridDragSource.java b/server/src/main/java/com/vaadin/ui/components/grid/GridDragSource.java
index c84cc9534d..80b8daf898 100644
--- a/server/src/main/java/com/vaadin/ui/components/grid/GridDragSource.java
+++ b/server/src/main/java/com/vaadin/ui/components/grid/GridDragSource.java
@@ -61,7 +61,7 @@ public class GridDragSource<T> extends DragSourceExtension<Grid<T>> {
     /**
      * Default drag data generator for Grid. It creates a list of row values
      * separated by a tabulator character ({@code \t}).
-     * 
+     *
      * <pre>
      * "column1_value\tcolumn2_value\t ... columnN_value"
      * </pre>
@@ -163,7 +163,7 @@ public class GridDragSource<T> extends DragSourceExtension<Grid<T>> {
      * type} data.
      * <p>
      * Example, building a JSON object that contains the item's values:
-     * 
+     *
      * <pre>
      *     dragSourceExtension.setDragDataGenerator("application/json", item ->
      * {
diff --git a/server/src/main/java/com/vaadin/ui/components/grid/StaticSection.java b/server/src/main/java/com/vaadin/ui/components/grid/StaticSection.java
index 4b82f0bdbe..ec25339931 100644
--- a/server/src/main/java/com/vaadin/ui/components/grid/StaticSection.java
+++ b/server/src/main/java/com/vaadin/ui/components/grid/StaticSection.java
@@ -800,10 +800,10 @@ public abstract class StaticSection<ROW extends StaticSection.StaticRow<?>>
 
     /**
      * Sets the visibility of this section.
-     * 
+     *
      * @param visible
      *            {@code true} if visible; {@code false} if not
-     * 
+     *
      * @since 8.1.1
      */
     public void setVisible(boolean visible) {
@@ -814,9 +814,9 @@ public abstract class StaticSection<ROW extends StaticSection.StaticRow<?>>
 
     /**
      * Gets the visibility of this section.
-     * 
+     *
      * @return {@code true} if visible; {@code false} if not
-     * 
+     *
      * @since 8.1.1
      */
     public boolean isVisible() {
diff --git a/server/src/main/java/com/vaadin/ui/renderers/ComponentRenderer.java b/server/src/main/java/com/vaadin/ui/renderers/ComponentRenderer.java
index 0f8ca4401d..98a2002531 100644
--- a/server/src/main/java/com/vaadin/ui/renderers/ComponentRenderer.java
+++ b/server/src/main/java/com/vaadin/ui/renderers/ComponentRenderer.java
@@ -38,7 +38,7 @@ import elemental.json.JsonValue;
  * instances.
  * <p>
  * Example of how to add a {@link Label} component to {@link Grid}:
- * 
+ *
  * <pre>
  * Grid<Person> grid;
  * grid.addColumn(person -> new Label(person.getFullName()),
diff --git a/server/src/main/java/com/vaadin/util/ReflectTools.java b/server/src/main/java/com/vaadin/util/ReflectTools.java
index b38a23b46e..561281b5b7 100644
--- a/server/src/main/java/com/vaadin/util/ReflectTools.java
+++ b/server/src/main/java/com/vaadin/util/ReflectTools.java
@@ -323,10 +323,10 @@ public class ReflectTools implements Serializable {
     /**
      * Returns the first non-synthetic method of the specified
      * {@code listenerClass}, which must have single method in the source-code.
-     * 
+     *
      * This is needed, to remove the synthetic methods added if the class is
      * instrumented.
-     * 
+     *
      * @param listenerClass
      *            The {@link Class} of the listener, which has a single method
      *            in the source code