object Test {
  object Energy {
    private def parse(value: Any) = ???
    def apply = parse _
  }

  Energy("")
}

-- [E050] Reference Error: tests/allan/Test.scala:7:2 --------------------------
7 |  Energy("")
  |  ^^^^^^
  |  object Energy in object Test does not take parameters

 case class Foo[T](x: T)
 object Foo { def apply[T]() = Foo(???) }

-- [E050] Reference Error: tests/allan/Test.scala:11:31 ------------------------
11 | object Foo { def apply[T]() = Foo(???) }
   |                               ^^^
   |                               object Foo does not take parameters

-- [E044] Syntax Error: tests/allan/Test.scala:11:31 ---------------------------
11 | object Foo { def apply[T]() = Foo(???) }
   |                               ^^^
   |                    overloaded or recursive method Foo needs return type