@Nullable
  private static String getBuildSrcPrefix(@NotNull ProjectResolverContext ctx, @NotNull String rootProjectName) {
    if (ctx.getBuildSrcGroup() == null) {
      return null;
    }
    return ":" + ctx.getBuildSrcGroup() + ":buildSrc";
  }
@Nullable
  private static String getBuildSrcPrefix(@NotNull ProjectResolverContext ctx, @NotNull String rootProjectName)