public static BaseLibrariesConfigurable getInstance(@NotNull ProjectStructureConfigurable projectStructureConfigurable, @NotNull String tableLevel) {
    if (tableLevel.equals(LibraryTablesRegistrar.PROJECT_LEVEL)) {
      return projectStructureConfigurable.getProjectLibrariesConfigurable();
    }
    else {
      return projectStructureConfigurable.getGlobalLibrariesConfigurable();
    }
  }
public static BaseLibrariesConfigurable getInstance(@NotNull ProjectStructureConfigurable projectStructureConfigurable, @NotNull String tableLevel)