================================================================================
changed_callback_and_changed_event
================================================================================

component Test {
    changed => {
    }
    changed(test) => {
    }
    changed value => {
    }
}
--------------------------------------------------------------------------------

(sourcefile
  (component_definition
    (user_type_identifier)
    (block
      (callback_event
        (simple_identifier)
        (imperative_block))
      (callback_event
        (simple_identifier)
        (arguments
          (argument
            (expression
              (simple_identifier))))
        (imperative_block))
      (changed_event
        (simple_identifier)
        (imperative_block)))))
