introduce parameter object: copy javadoc for constructor from included params only (IDEA-108187)

java/java-tests/testData/refactoring/introduceParameterObject/copyJavadoc1/after/Test.java

@@ -0,0 +1,27 @@
+class Test {
+  /**
+   * foo comment
+   * @param param
+   * @param s1 long1 description1
+   */
+  void foo(Param param, String s1) {
+    bar(param.getS(), s1);
+  }
+
+  void bar(String s, String s1){}
+
+    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/copyJavadoc1/before/Test.java

@@ -0,0 +1,12 @@
+class Test {
+  /**
+   * foo comment
+   * @param s long description
+   * @param s1 long1 description1
+   */
+  void foo(String s, String s1) {
+    bar(s, s1);
+  }
+
+  void bar(String s, String s1){}
+}