private static TValue GetEdmPropertyValue <TValue>(MetadataItem entitySet, string propertyName)
{
entitySet.AssertNotNull(nameof(entitySet));
if (entitySet.MetadataProperties.TryGetValue(propertyName, false, out var property))
{
if (property?.Value is TValue str)
{
return(str);
}
}
throw new Exception($"Unable to get '{typeof(TValue).Name}' value of EDM property '{propertyName}' of set '{entitySet}'");
}