@Nullable
    public GradleExtensionsData getExtensionsFor(@Nullable String rootProjectPath, @Nullable String gradlePath) {
      GradleProject gradleProject = getRootGradleProject(rootProjectPath);
      if (gradleProject == null) return null;
      return gradleProject.extensions.get(gradlePath);
    }
@Nullable
    public GradleExtensionsData getExtensionsFor(@Nullable String rootProjectPath, @Nullable String gradlePath)