parameters: ()
return_statement: return _BACKEND
docstring: Publicly accessible method
      for determining the current backend.
docstring_summary: Publicly accessible method
      for determining the current backend.
docstring_tokens: Publicly accessible method for determining the current backend .
function: def backend():
      """Publicly accessible method
      for determining the current backend.
      """
      return _BACKEND
function_tokens: def backend ( ) : return _BACKEND