XBT_PRIVATE bool request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx);
XBT_PRIVATE std::string request_get_dot_output(smx_simcall_t req, int value);
XBT_PRIVATE bool request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx);
XBT_PRIVATE std::string request_get_dot_output(smx_simcall_t req, int value);