Currently the integration pulls from https://learn.microsoft.com/en-us/rest/api/azure/devops/git/refs/list?view=azure-devops-rest-7.1&tabs=HTTP, but it provides limited metadata. The TFVC endpoints potentially provide additional metadata to help track branch age, creation age etc. https://learn.microsoft.com/en-us/rest/api/azure/devops/tfvc/branches/get-branches?view=azure-devops-rest-7.1&tabs=HTTP