class RuboCop::Cop::Style::ParallelAssignment::ModifierCorrector

guarded by if, unless, while, or until
An internal class for correcting parallel assignment

def correction 

def correction
  parent = node.parent
  modifier_range =
    Parser::Source::Range.new(parent.source_range.source_buffer,
                              parent.loc.keyword.begin_pos,
                              parent.source_range.end_pos)
  "#{modifier_range.source}\n" \
    "#{indentation(node)}" \
    "#{assignment.join("\n#{indentation(node)}")}" \
    "\n#{offset(node)}end"
end

def correction_range 

def correction_range
  node.parent.source_range
end