[cleanup] Fix compilation errors with CheckStyle 7.6

Change-Id: Ie46090ae9f010a641124fdb7501b3534d6936687
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>
diff --git a/plugins/org.eclipse.eef.common/src/org/eclipse/eef/common/api/utils/I18N.java b/plugins/org.eclipse.eef.common/src/org/eclipse/eef/common/api/utils/I18N.java
index fa2e5e2..f3fd425 100644
--- a/plugins/org.eclipse.eef.common/src/org/eclipse/eef/common/api/utils/I18N.java
+++ b/plugins/org.eclipse.eef.common/src/org/eclipse/eef/common/api/utils/I18N.java
@@ -40,6 +40,8 @@
 		/**
 		 * The (optional) value of the message key. If absent, the key is assumed to be the same as the Java field's
 		 * name.
+		 *
+		 * @return the message key, if different from the field name.
 		 */
 		String[] value() default {};
 	}
diff --git a/plugins/org.eclipse.eef.ide.ui.ext.widgets.reference/src/org/eclipse/eef/ide/ui/ext/widgets/reference/api/IEEFExtReferenceViewerFilterProvider.java b/plugins/org.eclipse.eef.ide.ui.ext.widgets.reference/src/org/eclipse/eef/ide/ui/ext/widgets/reference/api/IEEFExtReferenceViewerFilterProvider.java
index 19e44f8..a14ef15 100644
--- a/plugins/org.eclipse.eef.ide.ui.ext.widgets.reference/src/org/eclipse/eef/ide/ui/ext/widgets/reference/api/IEEFExtReferenceViewerFilterProvider.java
+++ b/plugins/org.eclipse.eef.ide.ui.ext.widgets.reference/src/org/eclipse/eef/ide/ui/ext/widgets/reference/api/IEEFExtReferenceViewerFilterProvider.java
@@ -26,7 +26,7 @@
 	 *
 	 * @author sbegaudeau
 	 */
-	public enum ContextKind {
+	enum ContextKind {
 		/**
 		 * The tree viewer is created to select an EObject.
 		 */
diff --git a/plugins/org.eclipse.eef.ide.ui.ext.widgets.reference/src/org/eclipse/eef/ide/ui/ext/widgets/reference/internal/EEFExtMultipleReferenceLifecycleManager.java b/plugins/org.eclipse.eef.ide.ui.ext.widgets.reference/src/org/eclipse/eef/ide/ui/ext/widgets/reference/internal/EEFExtMultipleReferenceLifecycleManager.java
index fd3c30f..39ea9bf 100644
--- a/plugins/org.eclipse.eef.ide.ui.ext.widgets.reference/src/org/eclipse/eef/ide/ui/ext/widgets/reference/internal/EEFExtMultipleReferenceLifecycleManager.java
+++ b/plugins/org.eclipse.eef.ide.ui.ext.widgets.reference/src/org/eclipse/eef/ide/ui/ext/widgets/reference/internal/EEFExtMultipleReferenceLifecycleManager.java
@@ -407,7 +407,7 @@
 	 *
 	 * @author sbegaudeau
 	 */
-	private static enum Direction {
+	private enum Direction {
 		/**
 		 * Up.
 		 */
diff --git a/plugins/org.eclipse.eef.ide.ui/src/org/eclipse/eef/ide/ui/internal/widgets/EEFListTableLabelProvider.java b/plugins/org.eclipse.eef.ide.ui/src/org/eclipse/eef/ide/ui/internal/widgets/EEFListTableLabelProvider.java
index 77120ec..d412b2d 100644
--- a/plugins/org.eclipse.eef.ide.ui/src/org/eclipse/eef/ide/ui/internal/widgets/EEFListTableLabelProvider.java
+++ b/plugins/org.eclipse.eef.ide.ui/src/org/eclipse/eef/ide/ui/internal/widgets/EEFListTableLabelProvider.java
@@ -55,7 +55,7 @@
 	 * @param variableManager
 	 *            The variable manager
 	 */
-	public EEFListTableLabelProvider(EEFListDescription description, IInterpreter interpreter, IVariableManager variableManager) {
+	EEFListTableLabelProvider(EEFListDescription description, IInterpreter interpreter, IVariableManager variableManager) {
 		this.description = description;
 		this.interpreter = interpreter;
 		this.variableManager = variableManager;
diff --git a/plugins/org.eclipse.eef.properties.ui.legacy/src/org/eclipse/eef/properties/ui/legacy/internal/I18N.java b/plugins/org.eclipse.eef.properties.ui.legacy/src/org/eclipse/eef/properties/ui/legacy/internal/I18N.java
index cb20641..55526f5 100644
--- a/plugins/org.eclipse.eef.properties.ui.legacy/src/org/eclipse/eef/properties/ui/legacy/internal/I18N.java
+++ b/plugins/org.eclipse.eef.properties.ui.legacy/src/org/eclipse/eef/properties/ui/legacy/internal/I18N.java
@@ -40,6 +40,8 @@
 		/**
 		 * The (optional) value of the message key. If absent, the key is assumed to be the same as the Java field's
 		 * name.
+		 * 
+		 * @return the message key, if different from the field name.
 		 */
 		String[] value() default {};
 	}