Java to Kotlin conversion: keep constructor access modifier

j2k/tests/testData/ast/constructors/privateConstructors.java

@@ -0,0 +1,13 @@
+//file
+class C {
+  private C(int arg1, int arg2, int arg3) {
+  }
+
+  private C(int arg1, int arg2) {
+    this(arg1, arg2, 0);
+  }
+
+  public C(int arg1) {
+    this(arg1, 0, 0);
+  }
+}