copy javadoc to the generated constructor (IDEADEV-41681)

java/java-tests/testData/refactoring/introduceParameterObject/copyJavadoc/after/Test.java

@@ -0,0 +1,26 @@
+class Test {
+  /**
+   * foo comment
+   * @param param
+   */
+  void foo(Param param) {
+    bar(param.getS());
+  }
+
+  void bar(String s){}
+
+    private static class Param {
+        private final String s;
+
+        /**
+          * @param s long description
+         */
+        private Param(String s) {
+            this.s = s;
+        }
+
+        public String getS() {
+            return s;
+        }
+    }
+}

java/java-tests/testData/refactoring/introduceParameterObject/copyJavadoc/before/Test.java

@@ -0,0 +1,11 @@
+class Test {
+  /**
+   * foo comment
+   * @param s long description
+   */
+  void foo(String s) {
+    bar(s);
+  }
+
+  void bar(String s){}
+}