in aws_common/src/sdk_utils/auth/service_credentials_provider.cpp [124:129]
static bool IsIotConfigValid(const IotRoleConfig & config)
{
return config.cafile.length() > 0 && config.certfile.length() > 0 &&
config.keyfile.length() > 0 && config.host.length() > 0 && config.role.length() > 0 &&
config.name.length() > 0 && config.connect_timeout_ms > 0 && config.total_timeout_ms > 0;
}