#2863 fix qulice warnings

eo-runtime/src/main/java/org/eolang/PhDecorator.java

@@ -1,23 +1,56 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016-2024 Objectionary.com
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
 package org.eolang;
 
-public abstract class PhDecorator implements Phi{
+/**
+ * An object, that decorates {@link Phi}.
+ *
+ * @since 0.36
+ */
+public abstract class PhDecorator implements Phi {
 
     /**
-     * The original.
+     * The original Phi.
+     * @checkstyle VisibilityModifierCheck (5 lines)
      */
     protected final Phi origin;
 
+    /**
+     * Ctor.
+     * @param phi The object
+     */
     PhDecorator(final Phi phi) {
         this.origin = phi;
     }
 
     @Override
-    public boolean equals(final Object obj) {
+    public final boolean equals(final Object obj) {
         return this.origin.equals(obj);
     }
 
     @Override
-    public int hashCode() {
+    public final int hashCode() {
         return this.origin.hashCode();
     }
 }