in Platform/Tools/PowerShell/JetCmdlet/Infra/TeamCity/TeamCityProperties.cs [58:64]
public string TryGetConfigurationProperty([NotNull] string name)
{
if(name == null)
throw new ArgumentNullException("name");
TryLoadConfigurationPropertiesFile();
return myConfigurationProperties != null ? myConfigurationProperties.TryGetValue(name) : null;
}