private static void unmarkIgnored(@Nullable VirtualFile virtualFile, @NotNull Project project) {
    JsonSchemaMappingsProjectConfiguration configuration = JsonSchemaMappingsProjectConfiguration.getInstance(project);
    if (!configuration.isIgnoredFile(virtualFile)) return;
    configuration.unmarkAsIgnored(virtualFile);
  }
private static void unmarkIgnored(@Nullable VirtualFile virtualFile, @NotNull Project project)