public override string ToString() { var result = new StringBuilder(); if (Desc.HasValue) { SonarHelpers.AppendUrl(result, "desc", Desc.ToString().ToLowerInvariant()); } SonarHelpers.AppendUrl(result, "format", Format); SonarHelpers.AppendUrl(result, "key", Key); if (Libs.HasValue) { SonarHelpers.AppendUrl(result, "libs", Libs.ToString().ToLowerInvariant()); } SonarHelpers.AppendUrl(result, "search", Search); if (Subprojects.HasValue) { SonarHelpers.AppendUrl(result, "subprojects", Subprojects.ToString().ToLowerInvariant()); } if (Versions != null) { SonarHelpers.AppendUrl(result, "versions", Versions.ToString().Substring(1)); } if (Views.HasValue) { SonarHelpers.AppendUrl(result, "views", Views.ToString().ToLowerInvariant()); } return(result.Length > 0 ? "?" + result : string.Empty); }