Function functionArgExpectsPath

packages/graph/src/FunctionRegistry.ts:1698–1704

(name: string, argIndex: number)

 * This is used to convert VariableRef to pathRef for path functions like nodes(), relationships(), length().
 */
export function functionArgExpectsPath(name: string, argIndex: number): boolean {
  const def = functionRegistry.get(name);
  if (!def) return false;
  const argSpec = def.args[argIndex];
  if (!argSpec) return false;
  return argSpec.types?.includes("path") ?? false;
}