plugins/groovy/testdata/overriding/deepestSuperMethods/overrideInterfaceMethod.test

interface Bar1 {
  def int foo ()
}

interface Bar2 extends Bar1 {
  def int foo ()
}

interface Bar3 extends Bar2 {
  def int foo ()
}

class A implements Bar3 {
  def int foo () {}
}
-----
Interface definition: Bar1; HierarchicalMethodSignatureImpl: foo([])