const char kXlaConnectedToXlaComputationAttrName[] =
    "_xla_connected_to_xla_computation";
const char kXlaConnectedFromXlaComputationAttrName[] =
    "_xla_connected_from_xla_computation";
const char kOutsideCompilationOriginalNodeAttrName[] =
    "_xla_oc_to_oc_node_name";
const char kOutsideCompilationSrcOutputAttrName[] = "_xla_oc_to_oc_src_output";