@NlsContexts.Label
  private static String getUnsupportedMavenMessage(String version) {
    if (StringUtil.compareVersionNumbers(version, "3.1") < 0 && StringUtil.compareVersionNumbers(version, "2") > 0) {
      return MavenProjectBundle.message("label.invalid.maven30");
    }
    if (!MavenVersionSupportUtil.isMaven2PluginInstalled()) {
      return MavenProjectBundle.message("label.invalid.install.maven2plugin");
    }

    if (MavenVersionSupportUtil.isMaven2PluginDisabled()) {
      return MavenProjectBundle.message("label.invalid.enable.maven2plugin");
    }

    if (version == null) return MavenProjectBundle.message("label.invalid.maven.home.directory");
    return MavenProjectBundle.message("label.invalid.maven.home.version", version);
  }
@NlsContexts.Label
  private static String getUnsupportedMavenMessage(String version)