class RuboCop::Cop::Lint::HeredocMethodCallPosition

def calls_on_multiple_lines?(node, _heredoc)
  last_line = node.last_line
  while send_node?(node)
    return true unless last_line == node.last_line
    return true unless all_on_same_line?(node.arguments)
    node = node.receiver
  end
  false
end