private void ThrowIfIdentifierIsRedundant(Type type, LambdaExpression idMember)
{
if (idMember.Body.NodeType != ExpressionType.MemberAccess)
{
return;
}
var defaultIdentifier = _mapperContext.GetIdentifierOrNull(type);
if ((defaultIdentifier == null) ||
(defaultIdentifier.Name != idMember.Body.GetMemberName()))
{
return;
}
throw new MappingConfigurationException(
$"{defaultIdentifier.Name} is automatically used as the identifier for Type '{type.GetFriendlyName()}', " +
"and does not need to be configured.");
}