test/Driver/Inputs/MacOSX10.15.versioned.sdk/SDKSettings.json

{
  "Version":"10.15",
  "MaximumDeploymentTarget": "10.15.99",
  "VersionMap" : {
      "macOS_iOSMac" : {
          "10.15" : "13.1",
          "10.15.1" : "13.2"
      },
      "iOSMac_macOS" : {
          "13.1" : "10.15",
          "13.2" : "10.15.1"
      }
  }
}