NuGet.LocalizedResourceManager.GetString C# (CSharp) Method

        public static string GetString(string resourceName)
        {
            return _resourceManager.GetString(resourceName + '.' + _currentCulture) ??
                   _resourceManager.GetString(resourceName);
        }
    }

        public IEnumerable <PackageIssue> Validate(IPackage package)
        {
            if (package.ProjectUrl != null && package.ProjectUrl.OriginalString.Equals(SpecCommand.SampleProjectUrl, StringComparison.Ordinal))
            {
                yield return(CreateIssueFor("ProjectUrl", package.ProjectUrl.OriginalString));
            }
            if (package.LicenseUrl != null && package.LicenseUrl.OriginalString.Equals(SpecCommand.SampleLicenseUrl, StringComparison.Ordinal))
            {
                yield return(CreateIssueFor("LicenseUrl", package.LicenseUrl.OriginalString));
            }
            if (package.IconUrl != null && package.IconUrl.OriginalString.Equals(SpecCommand.SampleIconUrl, StringComparison.Ordinal))
            {
                yield return(CreateIssueFor("IconUrl", package.IconUrl.OriginalString));
            }
            if (!String.IsNullOrEmpty(package.Tags) && package.Tags.Trim().Equals(SpecCommand.SampleTags, StringComparison.Ordinal))
            {
                yield return(CreateIssueFor("Tags", SpecCommand.SampleTags));
            }
            if (SpecCommand.SampleReleaseNotes.Equals(package.ReleaseNotes, StringComparison.Ordinal))
            {
                yield return(CreateIssueFor("ReleaseNotes", SpecCommand.SampleReleaseNotes));
            }
            if (SpecCommand.SampleDescription.Equals(package.Description, StringComparison.Ordinal))
            {
                yield return(CreateIssueFor("Description", SpecCommand.SampleDescription));
            }

            var dependency = package.GetCompatiblePackageDependencies(targetFramework: null).FirstOrDefault();

            if (dependency != null &&
                dependency.Id.Equals(SpecCommand.SampleManifestDependency.Id, StringComparison.Ordinal) &&
                dependency.VersionSpec != null &&
                dependency.VersionSpec.ToString().Equals("[" + SpecCommand.SampleManifestDependency.Version + "]", StringComparison.Ordinal))
            {
                yield return(CreateIssueFor("Dependency", dependency.ToString()));
            }

            if (dependency != null && dependency.VersionSpec == null)
            {
                var message = String.Format(
                    CultureInfo.CurrentCulture,
                    LocalizedResourceManager.GetString("Warning_UnspecifiedDependencyVersion"),
                    dependency.Id);
                var issue = new PackageIssue(
                    LocalizedResourceManager.GetString("Warning_UnspecifiedDependencyVersionTitle"),
                    message,
                    LocalizedResourceManager.GetString("Warning_UnspecifiedDependencyVersionSolution"));
                yield return(issue);
            }
        }