class RuboCop::Cop::Style::AlignHash::KeyAlignment

def deltas(first_pair, prev_pair, current_pair)

def deltas(first_pair, prev_pair, current_pair)
  if current_pair.loc.line == prev_pair.loc.line
    {}
  else
    { key: first_pair.loc.column - current_pair.loc.column }
  end
end