class RuboCop::Cop::Layout::SpaceBeforeBlockBraces

def check_empty(left_brace, space_plus_brace, used_style)
  return if style_for_empty_braces == used_style
  config_to_allow_offenses['EnforcedStyleForEmptyBraces'] =
    used_style.to_s
  if style_for_empty_braces == :space
    add_offense(left_brace, location: left_brace, message: MISSING_MSG)
  else
    space = range_between(space_plus_brace.begin_pos,
                          left_brace.begin_pos)
    add_offense(space, location: space, message: DETECTED_MSG)
  end
end