public static bool IsTidy(this AttributeData attr, Compilation compilation) =>
 attr?.IsAttribute(compilation.GetTypeByMetadataName(TIDY_ATTRIBUTE)) == true;
 public static bool IsInternString(this AttributeData attr, Compilation compilation) =>
 attr?.IsAttribute(compilation.GetTypeByMetadataName(INTERN_STRING_ATTRIBUTE)) == true;
 public static bool IsEncodedInt(this AttributeData attr, Compilation compilation) =>
 attr?.IsAttribute(compilation.GetTypeByMetadataName(ENCODED_INT_ATTRIBUTE)) == true;
 public static bool IsDeltaDateTime(this AttributeData attr, Compilation compilation) =>
 attr?.IsAttribute(compilation.GetTypeByMetadataName(DELTA_DATE_TIME_ATTRIBUTE)) == true;
 public static bool IsTimerDrift(this AttributeData attr, Compilation compilation) =>
 attr?.IsAttribute(compilation.GetTypeByMetadataName(TIMER_DRIFT_ATTRIBUTE)) == true;