#ifndef STAN_LANG_AST_NODE_OMNI_IDX_HPP
#define STAN_LANG_AST_NODE_OMNI_IDX_HPP

namespace stan {
namespace lang {

/**
 * AST structure for representing all legal indexes.
 */
struct omni_idx {
  /**
   * Construct an omni-index.
   */
  omni_idx();
};

}  // namespace lang
}  // namespace stan
#endif
