class RuboCop::Cop::Style::HashSyntax

def autocorrect_hash_rockets(corrector, pair_node)
  op = pair_node.loc.operator
  key_with_hash_rocket = ":#{pair_node.key.source}#{pair_node.inverse_delimiter(true)}"
  corrector.replace(pair_node.key, key_with_hash_rocket)
  corrector.remove(range_with_surrounding_space(range: op))
end