class Prism::KeywordHashNode

def inspect(inspector = NodeInspector.new)

def inspect(NodeInspector inspector) -> String 
def inspect(inspector = NodeInspector.new)
  inspector << inspector.header(self)
  flags = [("symbol_keys" if symbol_keys?)].compact
  inspector << "├── flags: #{flags.empty? ? "∅" : flags.join(", ")}\n"
  inspector << "└── elements: #{inspector.list("#{inspector.prefix}    ", elements)}"
  inspector.to_str
end