case object PingObject and case class PingClass desugared

gistfile1.scala

[[syntax trees at end of cleanup]]// Scala source: app.scala
package <empty> {
  @serializable final case class PingObject extends java.lang.Object with ScalaObject with Product {
    def productIterator(): Iterator = scala.Product$class.productIterator(PingObject.this);
    @deprecated("use productIterator instead") def productElements(): Iterator = scala.Product$class.productElements(PingObject.this);
    final override def toString(): java.lang.String = "PingObject";
    override def productPrefix(): java.lang.String = "PingObject";
    override def productArity(): Int = 0;
    override def productElement(x$1: Int): java.lang.Object = {
      <synthetic> val temp1: Int = x$1;
      {
        throw new java.lang.IndexOutOfBoundsException(scala.Int.box(x$1).toString())
      }
    };
    override def canEqual(x$1: java.lang.Object): Boolean = x$1.$isInstanceOf[object PingObject]();
    protected def readResolve(): java.lang.Object = PingObject;
    def this(): object PingObject = {
      PingObject.super.this();
      scala.Product$class./*Product$class*/$init$(PingObject.this);
      ()
    }
  };
  @serializable case class PingClass extends java.lang.Object with ScalaObject with Product {
    def productIterator(): Iterator = scala.Product$class.productIterator(PingClass.this);
    @deprecated("use productIterator instead") def productElements(): Iterator = scala.Product$class.productElements(PingClass.this);
    override def hashCode(): Int = ScalaRunTime.this._hashCode(PingClass.this);
    override def toString(): java.lang.String = ScalaRunTime.this._toString(PingClass.this);
    override def equals(x$1: java.lang.Object): Boolean = PingClass.this.eq(x$1).||({
      <synthetic> val temp2: java.lang.Object = x$1;
      if (temp2.$isInstanceOf[PingClass]())
        {
          x$1.$asInstanceOf[PingClass]().canEqual(PingClass.this)
        }
      else
        {
          false
        }
    });
    override def productPrefix(): java.lang.String = "PingClass";
    override def productArity(): Int = 0;
    override def productElement(x$1: Int): java.lang.Object = {
      <synthetic> val temp4: Int = x$1;
      {
        throw new java.lang.IndexOutOfBoundsException(scala.Int.box(x$1).toString())
      }
    };
    override def canEqual(x$1: java.lang.Object): Boolean = x$1.$isInstanceOf[PingClass]();
    def this(): PingClass = {
      PingClass.super.this();
      scala.Product$class./*Product$class*/$init$(PingClass.this);
      ()
    }
  };
  final <synthetic> class PingClass extends scala.runtime.AbstractFunction0 with ScalaObject {
    case <synthetic> def unapply(x$0: PingClass): Boolean = if (x$0.==(null))
      false
    else
      true;
    case <synthetic> def apply(): PingClass = new PingClass();
    case <synthetic> <bridge> def apply(): java.lang.Object = PingClass.this.apply();
    def this(): object PingClass = {
      PingClass.super.this();
      ()
    }
  }
}