class Prism::Translation::Parser::Compiler

def visit_no_keywords_parameter_node(node)

^^^^^
def foo(**nil); end 
def visit_no_keywords_parameter_node(node)
  if in_pattern
    builder.match_nil_pattern(token(node.operator_loc), token(node.keyword_loc))
  else
    builder.kwnilarg(token(node.operator_loc), token(node.keyword_loc))
  end
end