class RuboCop::Cop::Style::UnneededInterpolation

def autocorrect(node)
  embedded_node = node.children.first
  if variable_interpolation?(embedded_node)
    autocorrect_variable_interpolation(embedded_node, node)
  elsif single_variable_interpolation?(embedded_node)
    autocorrect_single_variable_interpolation(embedded_node, node)
  else
    autocorrect_other(embedded_node, node)
  end
end