class RuboCop::Cop::Layout::FirstMethodParameterLineBreak

end
do_something
bar
def method foo,
# ignored
end
do_something
baz)
foo, bar,
def method(
# good
end
do_something
baz)
def method(foo, bar,
# bad
@example
multi-line method parameter definition.
This cop checks for a line break before the first parameter in a

def autocorrect(node) 

def autocorrect(node)
  EmptyLineCorrector.insert_before(node)
end

def on_def(node) 

def on_def(node)
  check_method_line_break(node, node.arguments)
end