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(parent).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

def modifier_range(node) 

def modifier_range(node)
  Parser::Source::Range.new(node.source_range.source_buffer,
                            node.loc.keyword.begin_pos,
                            node.source_range.end_pos)
end