ProgramNode(0...14)(
  [],
  StatementsNode(0...14)(
    [CallNode(0...14)(
       nil,
       nil,
       (0...1),
       nil,
       nil,
       nil,
       BlockNode(2...14)(
         [:b],
         BlockParametersNode(4...12)(
           ParametersNode(5...11)(
             [RequiredDestructuredParameterNode(5...11)(
                [RequiredParameterNode(6...7)(:b),
                 SplatNode(9...10)((9...10), nil)],
                (5...6),
                (10...11)
              )],
             [],
             [],
             nil,
             [],
             nil,
             nil
           ),
           [],
           (4...5),
           (11...12)
         ),
         nil,
         (2...3),
         (13...14)
       ),
       0,
       "a"
     )]
  )
)
