(script
  (expression_statement
    (awaitable_expression
      (compound_statement)))
  (expression_statement
    (awaitable_expression
      (compound_statement
        (concurrent_statement
          (compound_statement
            (expression_statement
              (prefix_unary_expression
                operand: (call_expression
                  function: (qualified_identifier
                    (identifier))
                  (arguments))))
            (expression_statement
              (prefix_unary_expression
                operand: (call_expression
                  function: (qualified_identifier
                    (identifier))
                  (arguments))))))))))