playtest-unity/playtest/Library/PackageCache/com.unity.ide.vscode@1.2.5/Editor/ProjectGeneration/GUIDGenerator.cs

namespace VSCodeEditor
{
    public interface IGUIDGenerator
    {
        string ProjectGuid(string projectName, string assemblyName);
        string SolutionGuid(string projectName, string extension);
    }

    class GUIDProvider : IGUIDGenerator
    {
        public string ProjectGuid(string projectName, string assemblyName)
        {
            return SolutionGuidGenerator.GuidForProject(projectName + assemblyName);
        }

        public string SolutionGuid(string projectName, string extension)
        {
            return SolutionGuidGenerator.GuidForSolution(projectName, extension); // GetExtensionOfSourceFiles(assembly.sourceFiles)
        }
    }
}