class RuboCop::Cop::Style::CaseIndentation

def on_case(case_node)
  _condition, *whens, _else = *case_node
  base = style
  indent = cop_config['IndentOneStep']
  base_column = base_column(case_node, base)
  whens.each do |when_node|
    check_when(when_node, case_node, base, indent, base_column)
  end
end