https://api.drupal.org/api/drupal/core%21modules%21media%21src%21MediaTypeForm.php/property/MediaTypeForm%3A%3AsourceManager/9
MediaTypeForm::$sourceManager | Drupal API
drupalapi
https://docs.nvidia.com/metropolis/deepstream/9.0/sdk-api/classdeepstream_1_1SourceManager.html
NVIDIA DeepStream SDK API Reference: deepstream::SourceManager Class Reference | NVIDIA Docs
sdk api referencenvidiadeepstreamclassdocs